Powerhouse Museum Collection Search 2.53
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Subject search results for "Mathematics"
Showing 491 objects

2010/1/126 Chart plotting board Mark 6A and computer Mk 8B, plastic / paper, made by Felsenthal Instruments Co, Chicago, United States of America, 1972-1980


2010/1/211 Abacus (suanpan), bone / glass, maker unknown, China, mid-20th century


2008/105/3 Abacus, wood / metal, maker unknown, used by Wing Sang & Co Ltd, Sydney, New South Wales, Australia, 1900-1930 2008/105/3 Abacus, wood / metal, maker unknown, used by Wing Sang & Co Ltd, Sydney, New South Wales, Australia, 1900-1930


2010/1/149 School abacus, wood / metal, maker unknown, 1900-1980


2010/1/154 Abacus, (schoty), wood / metal, maker unknown, Russia, 20th century


2010/1/160 Abacus, (schoty], wood / plastic / wire, maker unknown, Russia, mid-20th century


2010/1/151 Abacus (soroban), wood / bamboo, maker unknown, Japan, early 20th century


2010/1/152 Abacus (soroban), timber / bamboo / plastic / bone, maker unknown, Japan, 20th century


2010/1/153 Abacus (soroban), wood / bamboo, maker unknown, Japan, early 20th century


2010/1/158 Abacus (soroban), wood / bamboo / bone?, maker unknown, Japan, early 20th century


2010/1/159 Abacus (soroban) in case, wood / bamboo / bone?, maker unknown, Japan, mid 20th century.


2010/1/147 Abacus (suanpan), wood / bamboo / bone, maker unknown, China, 20th century


2010/1/150 Abacus (suanpan), wood / bamboo, maker unknown, China, 20th century


2010/1/156 Abacus (suanpan), wood / bamboo / metal, maker unknown, China, 20th century


2010/1/161 Abacus, (schoty], wood / wire, maker unknown, Russia, mid-20th century


2010/1/157 Abacus in case, (soroban), plastic / bamboo / plastic, maker unknown, Japan, late 20th century


2010/1/148 Abacus (suanpan), wood / brass, maker unknown, China, 1960-1980.


2010/1/302 Accounting machine, metal / plastic, made by the National Cash Register Company, United States of America, c. 1940


86/393 Calculator, analog, 86/393 Calculator, analog, 'Zero Setting Compensating Planimeter', maker unknown, Muraki, Japan, date unknown


2010/1/85 Electro-mechanical analogue computer, Missile Guidance Computer, metal / plastic / insulation, made by the E-P Division of the Bendix Corporation, United States of America, 1960s


97/186/1 Archive, Charles Babbage/Neville Babbage, England/Australia, 1826-1959 97/186/1 Archive, Charles Babbage/Neville Babbage, England/Australia, 1826-1959


97/229/1 Archive, Charles Babbage/Neville Babbage, England/Australia, 1827-1991 97/229/1 Archive, Charles Babbage/Neville Babbage, England/Australia, 1827-1991


2005/88/2 Portable cloth balance (Type C) in case with instruction booklets (2), brass / lacquered finish / nickel plate / leather / paper, made by John Casartelli, Manchester, England, 1950-1966 2005/88/2 Portable cloth balance (Type C) in case with instruction booklets (2), brass / lacquered finish / nickel plate / leather / paper, made by John Casartelli, Manchester, England, 1950-1966


H9961 Bow compasses (2) in case, metal / felt / leather / paper, maker unknown, used at Sydney Observatory, Australia, 1858-1917 H9961 Bow compasses (2) in case, metal / felt / leather / paper, maker unknown, used at Sydney Observatory, Australia, 1858-1917


H9959 Bow compass, with accessories in black leather case, steel / lead / leather / felt / metal, made by E O Richter and Company, Saxony, Germany, [1877-1917], used at Sydney Observatory, Australia, [1883-1917] H9959 Bow compass, with accessories in black leather case, steel / lead / leather / felt / metal, made by E O Richter and Company, Saxony, Germany, [1877-1917], used at Sydney Observatory, Australia, [1883-1917]


85/462 Pocket calculating machine with a stylus and information leaflet, 85/462 Pocket calculating machine with a stylus and information leaflet, 'Addmaster Junior', maker unknown, Germany, 1960-1970


85/454 Adding machine, 85/454 Adding machine, 'The Adder', metal / wood / textile, made by C H Webb, New York, United States of America, 1884-1894


2010/1/214 Mechanical addiator type calculator with case, Addiator Addfeet Junior, metal / leather, made by Addiator Company, Germany, 1950-1990


2010/1/213 Mechanical addiator type calculator, Addimult Sumax-E, metal, made by Addumult, Germany, c. 1960


2010/1/208 Mechanical addiator type calculator with case, note paper and instruction sheet, Addmaster Junior Adding and Subtracting Machine, metal / leather / paper, made by Addimult, Germany, 1950-1970


2010/1/229 Mechanical pinwheel calculator, Addo Multo Model 103, metal, made by A B Addo, Malmo, Sweden, c. 1950


2010/1/206 Mechanical addiator type calculator with case and note paper, Arithma Adder, metal / leather / paper, made by Addiator Gesellschaft, Berlin, Germany, 1920-1930


2010/1/255 Mechanical desktop calculator, Arithmometre, metal / wood, made by L Payen, Paris, France, 1900-1925


2010/1/146 Circular slide chart, Boiler Efficiency calculator, plastic coated paper / metal, made by Babcock & Wilcox, Canada, 1963


2010/1/546 Slide chart with sleeve, Metric/Imperial measurement units conversion, promotional, duplex, plastic, made by Blundell Rules Ltd, Weymouth, London, England, 1965-1975 2010/1/546 Slide chart with sleeve, Metric/Imperial measurement units conversion, promotional, duplex, plastic, made by Blundell Rules Ltd, Weymouth, London, England, 1965-1975


2010/1/535 Ruler and protractor, Burline rule for optometry, plastic, made by Abbot Brown, England, 1950-1970 2010/1/535 Ruler and protractor, Burline rule for optometry, plastic, made by Abbot Brown, England, 1950-1970


2010/1/382 Calculating sector, ivory / electrum, maker unknown, 1750-1850


2010/1/383 Calculating sector, wood / brass, maker unknown, 18th century.


2007/124/1 Electronic programmable calculator, AL-1000, with cover and instruction manual, metal / plastic / electronic components / paper, made by Casio Computer Co Ltd, Tokyo, Japan, 1967 2007/124/1 Electronic programmable calculator, AL-1000, with cover and instruction manual, metal / plastic / electronic components / paper, made by Casio Computer Co Ltd, Tokyo, Japan, 1967


2010/1/252 Mechanical direct key desktop calculator, Comptometer model H, metal / plastic, made by Felt & Tarrant, Chicago, United States of America, 1920-1926


2010/1/142 Calculating slide charts (2) and pouch, Concentration Data Computer, canvas / paper / plastic, made by W & G, Melbourne, Victoria, Australia, c. 1940


2010/1/233 Mechanical desktop calculator with cover and instruction booklet, Contex 10 adding machine, plastic / metal / paper, made by Carlsen Brothers, Denmark, 1960s


2010/1/231 Mechanical desktop calculator, Contex A half-keyboard adder, Bakelite / metal, made by Carlsen Brothers, Denmark, 1960


2007/105/1 Calculator and processor chips (3), custom assembled, acrylic / metal / plastic / electronic components, made by Texas Instruments / Professor John Billingsley, Dallas, Texas, United States of America / Toowoomba, Queensland, Australia, c. 1970 2007/105/1 Calculator and processor chips (3), custom assembled, acrylic / metal / plastic / electronic components, made by Texas Instruments / Professor John Billingsley, Dallas, Texas, United States of America / Toowoomba, Queensland, Australia, c. 1970


2010/1/502 Cylindrical calculator, Darnley 2010/1/502 Cylindrical calculator, Darnley's Rotatable Lightning, metal, made by Darnley, England, 1921


2010/1/544 Circular calculators (2), Decimal Currency Calculator, three concentric disks, plastic, maker unknown, England, 1971 2010/1/544 Circular calculators (2), Decimal Currency Calculator, three concentric disks, plastic, maker unknown, England, 1971


2010/1/548 Circular slide chart (obverse) and rule (reverse) with pouch and instruction sheet, Durst Easy Colour Calculator, duplex, three concentric disks, cursor on reverse side only, plastic / metal / paper, made by Blundell Harling, Weymouth, England, 2010/1/548 Circular slide chart (obverse) and rule (reverse) with pouch and instruction sheet, Durst Easy Colour Calculator, duplex, three concentric disks, cursor on reverse side only, plastic / metal / paper, made by Blundell Harling, Weymouth, England,


2010/1/15 Electric range dial, wood / metal / glass / electronic components, maker and year of manufacture unknown


2010/1/244 Electro-mechanical pinwheel desktop calculator, CA1-13, metal / plastic, made by Facit - Atvidaberg, Sweden. c. 1967-1968


2010/1/238 Mechanical pinwheel desktop calculator with keyboard adaptation and carry case, metal / plastic / wood / fabric, made by Atvidaberg-Facit, Sweden, 1950s


2010/1/533 Circular sliding chart with case, Firth 2010/1/533 Circular sliding chart with case, Firth's Speedicut Drill Speed Calculator, promotional, metal / plastic, made by Thomas Firth and Sons, Sheffield, England, early 20th century


2010/1/379 Calculating rule, Gunter 2010/1/379 Calculating rule, Gunter's liine, double-sided, boxwood, maker unknown, c. 1790


2010/1/10 Indicator, ground position, Mk.IB, metal, maker unknown, c. 1940


2010/1/228 Mechanical calculator, arithmometre, Madas calculating machine, metal, made by H W Egli S A Calculating Machines, Zurich, Switzerland, 1908


2010/1/240 Mechanical direct key desktop calculator, Model 20ATG, metal / plastic, made by Madas, Zurich, Switzerland, 1930s-1950s


2010/1/516 Slide chart with sleeve, Metriverter 1358, duplex, special purpose, plastic, made by Blundell Rules Ltd, England, 1960-1980


2010/1/235 Mechanical desktop calculator, Monroe LX-160 accounting machine, metal / plastic, made by the Monroe Calculating Machine Company. New York, United States of America, 1950


2010/1/563 Slide rule, Observation of fire, duplex, open frame, metal / wood, made by A Edgell and Co, London, England, 1915 2010/1/563 Slide rule, Observation of fire, duplex, open frame, metal / wood, made by A Edgell and Co, London, England, 1915


2010/1/221 Mechanical desktop calculator, pin wheel, Original Odhner model 27, metal / plastic, made by Goteborg, Sweden, 1938-1950


2010/1/4 Quadrant elevation, metal, glass, maker unknown, c. 1940


2010/1/14 Range gearbox module Mk 1, metal / electronic components, made by Amalgamated Wireless Australia Limited, Sydney, New South Wales, Australia, c. 1960


2010/1/243 Mechanical desktop calculator, arithmometre with keyboard adaptation, TIM (Time-Is-Money), metal / plastic, made by Ludwig Spitz & Company, Berlin, Germany, 1920s


2010/1/210 Mechanical addiator type calculators (2) with instruction manual and packaging, Magic Brain Pocket Calculator, metal / plastic / paper, maker unknown, Hong Kong, 1950-1960


2010/1/237 Mechanical desktop printing calculator, Underwood Sundstrand Printing Adder, metal / plastic / paper, made by Underwood Elliott Fisher Company, United States of America, 1920s


H8662 Calculator with packaging, H8662 Calculator with packaging, 'The Brical Weight Adding Machine', made by British Calculator Ltd, United Kingdom, c. 1910


90/522 Adding machine with a stylus, metal / wood / glass / textile / ivory, made by British Calculator Ltd, United Kingdom, 1914-1915 90/522 Adding machine with a stylus, metal / wood / glass / textile / ivory, made by British Calculator Ltd, United Kingdom, 1914-1915


2010/1/172 Mechanical calculator and case, Addiator Duplex, metal / leatherette, made by Addiator Gesellschaft, Berlin, Germany, 1950-1970


2010/1/212 Mechanical addiator type calculator with case, note paper and packaging, Addiator Sterling Pocket, metal / paper / leather, Addiator Company, Germany, 1920--1940


2010/1/216 Mechanical addiator type calculator with case and packaging, Addmaster, metal / paper, made by Addimult, Germany, 1950-1960


2010/1/534 Circular slide chart, Aston Ready Reckoner, duplex, promotional, made by Aston Chain and Hook Co Ltd, Birmingham, England, mid-20th century 2010/1/534 Circular slide chart, Aston Ready Reckoner, duplex, promotional, made by Aston Chain and Hook Co Ltd, Birmingham, England, mid-20th century


2010/1/195 Mechanical calculator, addiator type, metal, made by the Automatic Adding Machine Co, New York, United States of America, 1906-1930


96/203/1 Calculating engine, specimen piece, with instructions and engraving, 96/203/1 Calculating engine, specimen piece, with instructions and engraving, 'Difference Engine No1', bronze / steel / wood / paper, designed by Charles Babbage, parts made by Joseph Clements, assembled by Henry Provost Babbage, England, 1822-1879


2010/1/254 Mechanical direct key desktop calculator, Adding Machine Class E5, metal / plastic, made by Burroughs Adding Machine Company, United States of America, c. 1920


2010/1/191 Programming cards with packaging, Canon calculator, cardboard / plastic, made by Canon, Japan, 1970-1980


2010/1/522 Circular slide chart, Drill speed calculator, duplex, plastic / metal, made by The Cleveland Twist Drill Co, Ohio, United States of America, 1911 2010/1/522 Circular slide chart, Drill speed calculator, duplex, plastic / metal, made by The Cleveland Twist Drill Co, Ohio, United States of America, 1911


2010/1/500 Calculators (8), photographic exposure, paper / plastic / leather, various makers, England / Germany, 1900-1950


2010/1/311 Cuisenaire rods with booklet and box, wood / metal / paper, made by the Cuisenaire Company, Australia, 1965-1980


2010/1/545 Sliding chart, perygraf, distance calculator, paper, made by Speedy Maps Pty Ltd, Australia, c. 1970 2010/1/545 Sliding chart, perygraf, distance calculator, paper, made by Speedy Maps Pty Ltd, Australia, c. 1970


2010/1/242 Electro-mechanical pinwheel desktop calculator, Model 1007, metal / plastic, made by Facit, Sweden, 1967-1972


2010/1/239 Mechanical pinwheel desktop calculator with keyboard adaptation, Model C1-13 (3), metal / plastic, made by Facit - Atvidaberg, Sweden, 1957-1972


2010/1/245 Mechanical pinwheel desktop calculator, CM2-13S, metal / plastic, made by Facit- Atvidaberg, Sweden. c.1960


2010/1/220 Mechanical desktop calculator, direct key, Comptometer, metal / plastic, made by Felt and Tarrant, Chicago. Illinois, United States of America, 1915-1920


2010/1/377 Calculating rule, Gunters Line, duplex, boxwood, maker unknown, c. 1867


2010/1/236 Mechanical pinwheel desktop calculator, Hannovera Model AK, wood / metal / plastic, made by Hannovera Rechenmaschinenfabrik, Oventrop, Heutelbeck and Company, Hannover, Germany, 1921


2010/1/192 Magnetic programming cards, plastic with a magnetic, made by Memorex, Scotch and other brands, 1980-1982


2010/1/259 Cylindrical rolling slide rule, Nestler RechenWalze, metal / paper, made by Albert Nestler A-G, Germany, 1930-1940


2010/1/230 Mechanical pinwheel calculator, Original Odhner Model 127, metal, made by Goteborg, Sweden, 1948-1954


2010/1/202 Mechanical addiator type calculator with stylus and case, Pro Calculo !, metal / leather, made by Otta Meuter, Germany, 1920s


2010/1/553 Chart calculator, Racadex racing odds indicator, plastic / paper, made by Racadex, England, 1948-1960 2010/1/553 Chart calculator, Racadex racing odds indicator, plastic / paper, made by Racadex, England, 1948-1960


2010/1/524 Measuring cards (2), Radius of the Curve of a rail line, cardboard, maker unknown, early 20th century 2010/1/524 Measuring cards (2), Radius of the Curve of a rail line, cardboard, maker unknown, early 20th century


2010/1/442 Ruler, Radius of Curve, wood / brass, made by J Rabone & Sons, England, 1930-1960 2010/1/442 Ruler, Radius of Curve, wood / brass, made by J Rabone & Sons, England, 1930-1960


2010/1/205 Rotation counter with case, metal / wood / fabric, made by A Sainte, France, early 20th century


2010/1/170 Mechanical pin wheel calculator, plastic, made by the Solo Calculating Machine Co Ltd, Japan, 1960s


2010/1/247 Mechanical direct key desktop calculator with cover, Sumlock adding machine Model 912, metal / plastic, made by Bell Punch Company Ltd, England, c. 1936


2007/139/1 Tabulator, heads (2), plastic cover and power supply cord, metal / Bakelite / plastic / electronic components, made by the British Tabulating Machine Company Ltd, United Kingdom, probably 1955 2007/139/1 Tabulator, heads (2), plastic cover and power supply cord, metal / Bakelite / plastic / electronic components, made by the British Tabulating Machine Company Ltd, United Kingdom, probably 1955


2010/1/120 Pocket calculator, addiator type, metal, made by Tappit Adder, London, England, c. 19??


2010/1/234 Mechanical desktop calculator, The Adder, metal, maker unknown, London, England, 1908


2010/1/521 Sliding graph, for machine gunners 2010/1/521 Sliding graph, for machine gunners' use, celluloid / metal, made by United Metal Engraving Co Ltd, Newcastle-on-Tyne. England, c. 1914


2010/1/131 Circular calculator with box and instructions, The Norman Calculator, wood / paper, made by Thomas Norman, Falcon Works, London, England, 1915-1920


2010/1/209 Mechanical addiator type calculator, W brand, metal, maker unknown, 1960-1970


2010/1/87 Sound-ranging comparator Mark IV, metal, glass, maker unknown, c. 1930s, 1940s.


2010/1/253 Mechanical pinwheel desktop calculator, model D13R, metal / plastic, made by Brunsviga, Germany, 1953-1961


2010/1/86 Sound ranging comparator (Mark II). wood / metal, maker unknown, c. 1930s -early 1940s.


2010/1/283 Sectional model of an electro-mechanical desktop calculator, National Class 31 accounting machine, wood / metal, maker unknown, Australia, 1965-1978


2008/24/1 Slide rule, Fowler 2008/24/1 Slide rule, Fowler 'Mackay', circular watch style, with pouch and instruction booklet, metal / plastic / glass / paper / leatherette, made by Fowlers Calculators Ltd, Sale, England, c. 1945, used by the NSW Government Printing Office, Sydney, Ne


2010/1/380 Calculating rule, ruler with engraved tables, 12 inch, boxwood, maker unknown, early 1800s


K493 Calculating machine, K493 Calculating machine, 'Exactus Mini-Add' with accessories, made by Exactus Business Machines, London, England, 1930-1940


H9134 Calculating machine, H9134 Calculating machine, 'Exactus Mini-Add' with case and instructions, made by Exactus Business Machines, London, England, 1955


2010/1/309 Mechanical pinwheel calculator, Baby Brunsviga, wood / metal, made by Talis and Company, Braunschweig, Germany, 1910-1920


2010/1/219 Mechanical desktop calculator, direct key, Burroughs Class 6, metal / plastic, made by Burroughs Adding Machine Company, United States of America, 1930-1940 2010/1/219 Mechanical desktop calculator, direct key, Burroughs Class 6, metal / plastic, made by Burroughs Adding Machine Company, United States of America, 1930-1940


2010/1/279 Electronic desktop calculator, Compucorp 324G Scientist Calculator, plastic / insulation, made by Computer Design Corporation (CDC), Los Angeles, United States of America, 1972-1975


2010/1/232 Mechanical desktop calculator with carry case, half-adder, Contex adding machine, wood / metal / plastic, made by Carlsen Brothers, Gentofte, Denmark, 1960


B862 Gunner B862 Gunner's calculator, life size model, wood / metal, designed and made by V W Leivesley, Australia, 1943


2010/1/227 Mechanical pinwheel calculator, Marchant XL, metal / wood / plastic, made by the Marchant Calculating Machine Company, Oakland, United States of America, c. 1923


2010/1/179 Mechanical pinwheel calculator, Star Adding Machine, metal / plastic, made by the Todd Protectograph Company, Rochester New York, United States of America, 1930-1950


H7195 Arithmometer calculating machine, wood/brass/glass/paper/Bakelite, Thomas de Colmar, Paris, France, c1900 H7195 Arithmometer calculating machine, wood/brass/glass/paper/Bakelite, Thomas de Colmar, Paris, France, c1900


2010/1/281 Electro-mechanical desktop calculator, metal / plastic, made by the Burroughs Adding Machine Company, Detroit, United States of America, c. 1940


2010/1/280 Electronic desktop calculator, Compucorp 325 Scientist Calculator, plastic / metal, made by Design Corporation, Los Angeles, United States of America, 1972-1974


2010/1/178 Mechanical pinwheel calculator with cover, Countess adding machine, metal / plastic / plastic, maker unknown, 1960


2010/1/5 Calculator, military, metal, maker unknown, c. 1940


2010/1/282 Electro-mechanical desktop calculator, NCR Accounting Machine, metal / plastic, made by the NCR Corporation, Daytona, Ohio, United States of America, 1930s


97/198/3 Calculator, TI-2500 DataMath [tm], plastic / metal / electronic components, Texas Instruments Incorporated, Dallas, Texas, United States of America, 1972 97/198/3 Calculator, TI-2500 DataMath [tm], plastic / metal / electronic components, Texas Instruments Incorporated, Dallas, Texas, United States of America, 1972


2011/34/2 Printer unit, port-a-punch, and punch cards, for Canola 1614P, plastic / metal / electronic components / paper, made by Canon and nternational Business Machines Corporation, Japan, and IBM, United States of America, c. 1978 and c. 1960 2011/34/2 Printer unit, port-a-punch, and punch cards, for Canola 1614P, plastic / metal / electronic components / paper, made by Canon and nternational Business Machines Corporation, Japan, and IBM, United States of America, c. 1978 and c. 1960


97/86/1 Circular slide rule, 'The lightning OHM's law calculator', cardboard, American Radio Relay League Inc, Connecticut, USA, 1935-1945


97/86/2 Circular slide rule, 'Lightning decibel calculator', cardboard, American Radio Relay League Inc, Connecticut, USA, 1935-1945


97/86/3 Circular slide rule, 'Lightning radio calculator type A', cardboard, American Radio Relay League Inc, Connecticut, USA, 1935-1945


97/86/4 Circular slide rule, 'Lightning resistance calculator', cardboard, American Radio Relay League, Connecticut, USA, 1935-1945


2010/1/441 Sliding calipers with case, for measuring rope, closed frame, brass / wood / leather, made by J Rabone & Sons, England, 1950-1970 2010/1/441 Sliding calipers with case, for measuring rope, closed frame, brass / wood / leather, made by J Rabone & Sons, England, 1950-1970


2010/1/203 Exposure calculator with pouch, Baby Cine Posograph, metal / celluloid / paper / leather, made by Kaufmann, France, c. 1929


87/1612-1 Valve capacity calculator, made by Kieley and Mueller Inc, United States of America, 1962 87/1612-1 Valve capacity calculator, made by Kieley and Mueller Inc, United States of America, 1962


2010/1/23 Battenberg's course indicator, Mark IV, plastic / metal, made by Elliot Bros London Ltd, London, England, c. 1924


87/1612-3 Circular slide rule, made by Fearns Calculators, Newcastle-upon-Tyne, United Kingdom, c. 1970 87/1612-3 Circular slide rule, made by Fearns Calculators, Newcastle-upon-Tyne, United Kingdom, c. 1970


2010/1/224 Handheld clinometer with case, Abney Elevation level, metal / leather, made in England, distributed by T F Wiesener, Sydney. New South Wales, Australia, late 19th century


2010/1/223 Handheld clinometer with case, Abney Clinometer for target sighting, metal / leather, maker unknown, 1885-1900


2010/1/11 Clinometer, Watkin, metal / glass, made by Siemens Bros, London, England, 1892


2010/1/196 Pocket clinometer or level, Abney Mk.IV, metal / glass / fluid, made by J W Handley Pty Ltd, Australia, 1942


2010/1/197 Pocket level / clinometer with carry case, Abney type Mk.V, metal / glass / fluid, maker unknown, mid-20th century


2010/1/2 Clinometer Field Mark VI and box, wood / metal, made by Noblet and Forrest, Woodville South Australia, 1941


86/392 Calculator, mechanical comptometer, made by Felt and Tarrant, Chicago Illinois, United States of America, 1915-1920 86/392 Calculator, mechanical comptometer, made by Felt and Tarrant, Chicago Illinois, United States of America, 1915-1920


98/83/1 Computer, AIM65, polyvinyl chloride / metal / rubber / electronic components, made by Rockwell International Corporation, United States of America, 1979 98/83/1 Computer, AIM65, polyvinyl chloride / metal / rubber / electronic components, made by Rockwell International Corporation, United States of America, 1979


97/89/1 Computer system, comprising Apple II europlus, Apple Disk II, Apple graphics tablet, Sanyo monochrome monitor, pen for graphics tablet, plastic/metal/rubber/electronic components, Apple Computer Inc./Sanyo Corp., Ireland/USA/Japan, 1979-1981. 97/89/1 Computer system, comprising Apple II europlus, Apple Disk II, Apple graphics tablet, Sanyo monochrome monitor, pen for graphics tablet, plastic/metal/rubber/electronic components, Apple Computer Inc./Sanyo Corp., Ireland/USA/Japan, 1979-1981.


2010/1/248 Educational benchtop computer, Feedback, metal / plastic / glass, made in Sweden, marketed by Ronald J T Payne, Australia, 1955-1967


2010/1/241 Mechanical digital computer and manuals, educational model, Digicomp Computer, plastic, made by Preston Manufacturing Limited, Ontario, Canada, 1960s 2010/1/241 Mechanical digital computer and manuals, educational model, Digicomp Computer, plastic, made by Preston Manufacturing Limited, Ontario, Canada, 1960s


2010/1/9 Ballistic control unit, bombing navigational computer, C-1, metal / plastic / glass, made by Sperry Corporation, Great Neck, New York, United States of America, c. 1953


90/724-1/13 Design drawing, 'How Would You Construct a Cone?', paper/ ink/ pencil, Marc Newson, Australia/ England/ Japan, 1986


98/92/1 Didactic display of calculating machines/ computers, photographs (19), black and white, mounted on cardboard, Museum of Applied Arts & Sciences, Australia, c.1960-1970s


K456 Calculator, Olivetti K456 Calculator, Olivetti 'Divisumma 24', metal/plastic/rubber, designed by Marcello Nizzoli, manufactured by Olivetti, Italy, c.1956


2011/34/1 Programmable calculator, Canola 1614P with cover, plastic / metal / electronic components, made by Canon, Japan, c. 1978 2011/34/1 Programmable calculator, Canola 1614P with cover, plastic / metal / electronic components, made by Canon, Japan, c. 1978


2010/1/246 Electronic desktop calculator, 362E, metal / plastic / electronic components, made by Wang Laboratories Inc, Massachusetts, United States of America, c.1968


2010/1/79 Handheld electronic calculator, Adler 81CS, plastic / metal, made by Adler, Germany, 1977


2010/1/190 Electronic handheld calculator with case, Pocketronic, plastic / metal / electronic components, made by Canon, Japan, c.1970


2010/1/80 Electronic pocket calculator, Litronix 1101, plastic / metal / electronic components, made by Litronix Inc, California, United States of America, c. 1970


2010/1/188 Electronic handheld calculator with pouch and AC adaptor, SR-11, plastic / electronic components, made by Texas Instruments, United States of America, c.1973


2010/1/189 Handheld electronic calculator, scientific, SR-51-II, plastic / electronic components, made by Texas Instruments, United States of America, c.1976


2010/1/12 Aircraft compensating gunsight, metal / glass / plastic, made by Sperry Gyroscope (Air), United States of America, c. 1940


2010/1/286 Totalisator accumulator, metal / brass / cotton, maker unknown, England, 1962


2010/1/531 Key chains (2), miles/kilometres per gallon reckoners, plastic / metal, various makers, France / United States of America, c. 1980 2010/1/531 Key chains (2), miles/kilometres per gallon reckoners, plastic / metal, various makers, France / United States of America, c. 1980


98/83/2 Manuals (8), AIM 65, paper, Rockwell International Corporation, USA, 1978-81 98/83/2 Manuals (8), AIM 65, paper, Rockwell International Corporation, USA, 1978-81


2005/88/3 Calculating manual for textiles, red cardboard bound, unknown maker, 1950-1966 2005/88/3 Calculating manual for textiles, red cardboard bound, unknown maker, 1950-1966


85/533 Mathematical drawing instruments (3 sets), metal/leather/textile/ivory/bone, England, 1910-1920 85/533 Mathematical drawing instruments (3 sets), metal/leather/textile/ivory/bone, England, 1910-1920


H9919 Standard measure, line bar, 40 inch, in box and stand, metal / wood, maker unknown, used by Captain Henry Kater, England, 1820-1835, used by Sydney Observatory, New South Wales, Australia, 1873-1900 H9919 Standard measure, line bar, 40 inch, in box and stand, metal / wood, maker unknown, used by Captain Henry Kater, England, 1820-1835, used by Sydney Observatory, New South Wales, Australia, 1873-1900


2010/1/501 Planimeter with case, polar, Amsler-type, steel / plastic / leatherette, made by Alllbrit, United Kingdom, 1947


2010/1/163 Polar planimeter with case, Allbrit, steel / plastic / Bakelite, maker unknown, c. 1949


2010/1/164 Planimeter with case, Allbrit, stainless steel / plastic / leatherette, made by Stanley & Co, England, c. 1949


2010/1/540 Lens curve measuring instrument, glass / metal, maker unknown, Britain, 20th century 2010/1/540 Lens curve measuring instrument, glass / metal, maker unknown, Britain, 20th century


2010/1/541 Distance measuring instrument used in map reading, metal / glass, made by H.C Depose, France, early 20th century 2010/1/541 Distance measuring instrument used in map reading, metal / glass, made by H.C Depose, France, early 20th century


2010/1/162 Hatchet planimeter with case and instruction sheet, Goodman's, stainless steel / leatherette / paper, made by Jackson Bros Ltd, Leeds, England, c. 1920


2010/1/56 Calculator with stylus, case and instruction booklet, Addiator Duplex, metal / leather / paper, made by Addidator, Germany, c. 1955


2010/1/127 Mechanical calculator, direct key and printing, Addo, metal / Bakelite / paper, made by Aktiebolaget Addo, Malmo, Sweden, 1923


2010/1/58 Calculator with case and instructions, addiator type, Correntator, metal / leather, made by Continentale Buroreform (CBR), Berlin, Germany, 1920-1930


2010/1/199 Mechanical calculator with case, Curta, System Curt Herzstark, metal, made by Contina Ltd, Mauren, Liechtenstein, c, 1954


2010/1/44 Calculator, addiator type, Exactus Mini-Add in desk stand, metal, made by Exactus Business Machines, London, England, 1950s to 1960s.


85/339 Calculator, mechanical, adding machine, used at Sydney Observatory, made by Lawrence Hargrave, Sydney, New South Wales, Australia, 1880-1883 85/339 Calculator, mechanical, adding machine, used at Sydney Observatory, made by Lawrence Hargrave, Sydney, New South Wales, Australia, 1880-1883


2010/1/60 Calculator with stylus, case and instruction sheet, addiator type, Piccolo-S, metal / plastic, made by Addiator, Germany, 1960-1975


2003/68/1 Calculator, 2003/68/1 Calculator, 'Calcumeter', metal, designed by James J Walsh, made by H N Morse, America, 1910


2010/1/536 Mechanical calculator with instructions and packaging, Addometer, stylus operated adding machine, metal / plastic / paper, made by the Reliable Typewriter & Adding Machine Corporation, United States of America, 1920-1960 2010/1/536 Mechanical calculator with instructions and packaging, Addometer, stylus operated adding machine, metal / plastic / paper, made by the Reliable Typewriter & Adding Machine Corporation, United States of America, 1920-1960


2010/1/78 Mechanical calculator with case, Adix Company Calculator, metal / leatherette, made by Pallweber and Bordt, Mannheim, Germany, 1903


2010/1/204 Circular mechanical calculator with case, The British Calculator, metal / fabric / wood, made by T J Marshall & Company, England, 1914


2010/1/1 Calculator, Ballistic Correction No1, MK I, metal, made by CM Co, place of manufacture unknown, c. 1940 2010/1/1 Calculator, Ballistic Correction No1, MK I, metal, made by CM Co, place of manufacture unknown, c. 1940


2010/1/128 Mechanical calculator, Pascaline, Lightning Calculator, metal, made by The Lightning Calculator Co, Grand Rapids, Michigan, United States of Amercia, early 1900s


2010/1/43 Mechanical calculator, Monroe LA5-200 adding machine, metal / plastic, made by Monroe Calculating Machine Company, United States of America, 1950s


2010/1/57 Calculator with stylus and case, Addiator type, Summax, metal / paper / leather, made by Addi GmbH, Klee & Behrens, Hannover, Germany, 1920


K498 Calculator (cylindrical slide rule), K498 Calculator (cylindrical slide rule), 'Lightning', metal / plastic, made by Moores, England, 1940-1950


2010/1/48 Mechanical desktop calculator, 'Austria' Arithmometer, metal, made by Rechenmaschinenwerk Herzstark & Co, Wien. (Vienna), Austria, c. 1910


2010/1/52 Mechanical pin wheel calculator, Resulta P7, metal / plastic, made by Paul Bruening, Berlin, West Germany, 1967


2010/1/49 Mechanical calculator, Burroughs Class 5, metal / plastic, made by The Burroughs Adding Machine Company, United States of America, c. 1915


2010/1/50 Mechanical calculator, Marchant Silent Speed - model ACT10M 18063, metal / plastic, made by The Marchant Calculating Machine Company, 1930-1940s


2010/1/47 Mechanical desktop calculator with cover, Schubert Model DRV, metal / plastic, made by Rastatt, West Germany, 1953-1968


2010/1/16 Range computer, Mark I, wood /, metal, made by E R Watts & Sons for the Air Ministry Laboratory, London, England, c. 1916


2010/1/201 Artillery plotter, No.1, metal / glass / paper, made by Wibroc Manufacturing Company, Sydney, New South Wales, Australia, 1942


2010/1/133 Circular slide rule with flight log sheets and pouches, military, Graviscope For Lincoln Bomber (Australian), paper / plastic / leather, made by W & G (White and Gillespie), Melbourne, Victoria, Australia, c. 1940


2010/1/250 Circular military slide rule with case and instructions, Aeroplane Range Finder, wood / metal / plasctic / glass / paper, made by T Cooke & Sons Ltd, York, England, 1914


2010/1/8 Bearing drive for gun sight, metal, unknown maker, c. 1940


2010/1/290 Bombardment spotting disc and line spotting conversion disc with case, wood / metal / plastic, made by Hortsman Ltd, Bath, England, c. 1930 -1949


2010/1/135 Circular slide rule, military, Bombing Angle Computor, metal / plastic, made by The London Name Plate Manufacturing Co Ltd, England, 1956


2010/1/13 Mechanical analogue computer, Naval ranging, PFC tray Mk II, metal / plastic, made by Lawrence Scott & Electromotors Ltd, Norwich, Norfolk, United Kingdom, c. 1940


K969 Millionaire mechanical calculator, serial no 1829, designed by Otto Steiger, Munich, Germany, 1895, made by Hans W Egli, Zurich, Switzerland, 1905-1915, used at Melbourne Observatory Melbourne, Victoria, Australia and Sydney Observatory, Sydney, New K969 Millionaire mechanical calculator, serial no 1829, designed by Otto Steiger, Munich, Germany, 1895, made by Hans W Egli, Zurich, Switzerland, 1905-1915, used at Melbourne Observatory Melbourne, Victoria, Australia and Sydney Observatory, Sydney, New


2010/1/134 Circular navigational slide rule with packaging, Height and True Airspeed, paper / plastic, maker and place of manufacture unknown


2010/1/155 Navigational circular slide chart with pouch and instructions, Star Finder and Identifier, Type 2102-D, plastic / fabric / paper, made for the United States Navy Hydrographic Office, United States of America, 1940-1960


2010/1/130 Circular navigational slide chart with pouch and instruction sheet, Star-Finder 2102-D, plastic / paper, made by Weems and Plath, Annapolis, Maryland, United States of America, 1950-1980


2010/1/6 Astro-compass, Mk.II, metal / glass / celluloid, made by Sperti Inc, Cincinnati, Ohio, United States of America, c. 1940


2010/1/207 Circular slide rule with pouch, Johnson Standard exposure calculator, plastic / leather, made by Johnson & Sons Manufacturing Chemists Ltd, England, 1946-1960


2010/1/555 Planimeter, Adisco Area Measurer (Area Meter), plastic / metal, made by Advertising Displays Inc, Covington, Kentucky, United States of America, mid-20th century 2010/1/555 Planimeter, Adisco Area Measurer (Area Meter), plastic / metal, made by Advertising Displays Inc, Covington, Kentucky, United States of America, mid-20th century


2010/14/1 Calculator with cover and accesseories, TI59, plastic / metal / electronic components / paper, made by Texas Instruments Incorporated, United States of America, 1979 2010/14/1 Calculator with cover and accesseories, TI59, plastic / metal / electronic components / paper, made by Texas Instruments Incorporated, United States of America, 1979


85/867 Calculating sector, brass, maker unknown, France, 1795-1805 85/867 Calculating sector, brass, maker unknown, France, 1795-1805


85/866 Calculating sector, electrum, made by Dollond, London, England, 1815-1825 85/866 Calculating sector, electrum, made by Dollond, London, England, 1815-1825


85/865 Gunter 85/865 Gunter's slide rule, boxwood, maker unknown, England, 1800-1899


2010/1/225 Box sextants (2) with case, metal / leather, made by H Hughes & Son Ltd, London, England, 1918


K618 Cylindrical Slide Rules, (3) "Fuller's Calculators", wood/Bakelite/brass/paper, WF Stanley & Co Ltd, England [1920-1950]


85/863 Slide rule, 85/863 Slide rule, 'Universal', brass / boxwood, maker unknown, England, 1730-1780


88/15 Slide rule with packaging and instructions, model 52/80, plastic / paper, made by Faber-Castell, Germany, 1965 88/15 Slide rule with packaging and instructions, model 52/80, plastic / paper, made by Faber-Castell, Germany, 1965


2010/1/426 Slide rule with case and box, kidney function, closed frame, single-sided, celluloid laminate / wood / metal / leather / cardboard, made by A Guerin, Paris, France, mid 20th century 2010/1/426 Slide rule with case and box, kidney function, closed frame, single-sided, celluloid laminate / wood / metal / leather / cardboard, made by A Guerin, Paris, France, mid 20th century


K572 Slide rule in case with formula ruler and instruction booklet, Novo Duplex No 2/83, made by Faber Castell, Germany, 1955-1965 K572 Slide rule in case with formula ruler and instruction booklet, Novo Duplex No 2/83, made by Faber Castell, Germany, 1955-1965


K1017 Pocket slide rule, made by China National Light Industrial Products Import and Export Corporation, Shanghai, China, 1965-1975 K1017 Pocket slide rule, made by China National Light Industrial Products Import and Export Corporation, Shanghai, China, 1965-1975


2010/1/316 Slide rule with case, A W Faber 361, closed frame, single-sided, single-sided slide, celluloid / wood, made by A W Faber, Bavaria, 1907-1913 2010/1/316 Slide rule with case, A W Faber 361, closed frame, single-sided, single-sided slide, celluloid / wood, made by A W Faber, Bavaria, 1907-1913


2010/1/321 Slide rule with case, A W Faber-Castell 3/11, closed frame, single-sided, celluloid / wood / plastic / metal, made by Faber-Castell, Germany, c. 1935 2010/1/321 Slide rule with case, A W Faber-Castell 3/11, closed frame, single-sided, celluloid / wood / plastic / metal, made by Faber-Castell, Germany, c. 1935


2010/1/314 Slide rule and packaging, A W Faber 360, closed frame, double-sided slide, celluloid / wood / metal / glass, made by A W Faber, Bavaria, 1900-1905 2010/1/314 Slide rule and packaging, A W Faber 360, closed frame, double-sided slide, celluloid / wood / metal / glass, made by A W Faber, Bavaria, 1900-1905


2010/1/320 Slide rule with case, A W Faber-Castell 4/60/380, closed frame, double-sided slide, celluloid / wood / metal, made by Faber-Castell, Germany, c. 1940 2010/1/320 Slide rule with case, A W Faber-Castell 4/60/380, closed frame, double-sided slide, celluloid / wood / metal, made by Faber-Castell, Germany, c. 1940


2010/1/539 Slide rule, Acrow Concrete Volume Computer, plastic, made by Blundell Rules Ltd, Weymouth, England, 1950-1970 2010/1/539 Slide rule, Acrow Concrete Volume Computer, plastic, made by Blundell Rules Ltd, Weymouth, England, 1950-1970


2010/1/510 Circular slide rule with pouch and instructions, Type E6-B Dead Reckoning calculator, metal / plastic / paper, made by Aero Products Research Inc, California, United States of America, 1971


2010/1/568 Sight with case, elidade with parallel rule, artillery use. aluminium / wooden / leather, made by W Ottway and Co, London, England, 1930 2010/1/568 Sight with case, elidade with parallel rule, artillery use. aluminium / wooden / leather, made by W Ottway and Co, London, England, 1930


2010/1/375 Circular slide rule with case, Syst ALRO 300D, metal / plastic / paper, made by Alro, The Hague, Holland, 1938-1960


2010/1/376 Circular slide rule with case, Syst ALRO 600E, metal / plastic / paper, made by Alro, The Hague, Holland. 1938-1960


2010/1/478 Circular slide chart, AMP Investment, promotional, cardboard, AMP Society, Sydney, New South Wales, Australia, 1983 2010/1/478 Circular slide chart, AMP Investment, promotional, cardboard, AMP Society, Sydney, New South Wales, Australia, 1983


2010/1/424 Slide rule, Anderson 2010/1/424 Slide rule, Anderson's Improved, closed frame, celluloid laminate / wood, made by Casella & Company, London, England, 1904-1910


2010/1/429 Pocket slide rule with case, Aristo Nr.867U, closed frame, plastic / leather, made by Aristo-Damstadt, Dennert & Pape, Germany, 1955-1975 2010/1/429 Pocket slide rule with case, Aristo Nr.867U, closed frame, plastic / leather, made by Aristo-Damstadt, Dennert & Pape, Germany, 1955-1975


2010/1/459 Slide rule with case, instruction manual and packaging, Aristo Puck 810, closed frame, Astrolon plastic / metal / paper / cardboard, made by Dennert & Pape, Germany, 1972


2010/1/458 Slide rule with case, instruction manual and packaging, Aristo Scholar 0903, open frame with plastic straps, Astrolon plastic / paper / cardboard, made by Dennert & Pape, Germany, 1963.


2010/1/561 Chart, Artillery scale, duplex, plastic (ivorine), maker unknown, early 20th Century 2010/1/561 Chart, Artillery scale, duplex, plastic (ivorine), maker unknown, early 20th Century


2010/1/569 Scale rule, artillery, No 5, Mk I, metal, maker unknown, early 20th century 2010/1/569 Scale rule, artillery, No 5, Mk I, metal, maker unknown, early 20th century


2010/1/369 Slide rule, Blundell 804 Darmstadt, open frame, single-sided, double sided slide, milled plastic, made by Blundell Rules Limited, England, c. 1970 2010/1/369 Slide rule, Blundell 804 Darmstadt, open frame, single-sided, double sided slide, milled plastic, made by Blundell Rules Limited, England, c. 1970


2010/1/528 Circular slide rule with case and instruction booklet, Blundell Harling Descal 310, plastic / paper, made by Blundell Harling, England, 1960-1970


2010/1/364 Slide rule, Blundell Type G2, closed frame, Bakelite / metal / glass, made by Blundell Rules Limited, England, c. 1947-1949 2010/1/364 Slide rule, Blundell Type G2, closed frame, Bakelite / metal / glass, made by Blundell Rules Limited, England, c. 1947-1949


2010/1/511 Slide rule with case and instructions, Crompton-Gallagher Boiler Efficiency, closed frame, wood / celluloid / cardboard / paper, made by Gallagher and Crompton Manchester, England, 1919 2010/1/511 Slide rule with case and instructions, Crompton-Gallagher Boiler Efficiency, closed frame, wood / celluloid / cardboard / paper, made by Gallagher and Crompton Manchester, England, 1919


2010/1/180 Military circular slide rule, Bombing Angle Computor, metal, maker unknown, 1959


2010/1/72 Circular slide rule, Boucher's Calculator, duplex, pocket watch style, metal / glass, made by Stanley & Co, England, early 1900s


2010/1/435 Slide rule, Brinell hardness, special purpose, closed frame, celluloid laminate / wood, designed by S A Main for Hadfield 2010/1/435 Slide rule, Brinell hardness, special purpose, closed frame, celluloid laminate / wood, designed by S A Main for Hadfield's Ltd, Sheffield, England, early 1900s


2010/1/371 Slide rule, BRL HF55 - Tarrant Hydraulic, special purpose, promotional, duplex, open frame, metal / plastic, made by Blundell Rules Limited, England, 1956-1964


2010/1/367 Slide rule with case, BRL 308 Accountants, open frame, plastic, made by Blundell Rules Limited, England, 1956-1970 2010/1/367 Slide rule with case, BRL 308 Accountants, open frame, plastic, made by Blundell Rules Limited, England, 1956-1970


2010/1/165 Cylindrical navigational slide rule with case, Bygrave type AML Position Line Mark IIA No 546. metal / paper / rubber, metal, made by Henry Hughes & Son Ltd, England, c. 1930


2010/1/556 Circular slide rule, cam calculator, paper, made by the Graphic Calculator Company, Chicago, Illinois, United States of America, 1954-1960 2010/1/556 Circular slide rule, cam calculator, paper, made by the Graphic Calculator Company, Chicago, Illinois, United States of America, 1954-1960


2010/1/549 Circular slide rule in folder, Chronopose Universel (exposure meter), paper / metal / cloth, made by M Georges Brunel, France, early 20th century 2010/1/549 Circular slide rule in folder, Chronopose Universel (exposure meter), paper / metal / cloth, made by M Georges Brunel, France, early 20th century


2010/1/384 Slide rule, Coggeshall type, boxwood / brass, made by John Rabone and Sons, England, c. 1850


2010/1/515 Slide rule with sleeve, Thermal unit conversion, circular disk with single concentric cursor, promotional, plastic / metal, made by Concise, Japan, c. 1987 2010/1/515 Slide rule with sleeve, Thermal unit conversion, circular disk with single concentric cursor, promotional, plastic / metal, made by Concise, Japan, c. 1987


2010/1/464 Circular slide chart, Confractor, duplex, Bakelite, made by The British Engraving and Nameplate Manufacturing Co Ltd, London, England, 1930-1939


2010/1/479 Circular slide chart, Coronary Risk, special purpose, promotional, cardboard, CIBA Pharmaceuticals, United States of America, 1970-1980 2010/1/479 Circular slide chart, Coronary Risk, special purpose, promotional, cardboard, CIBA Pharmaceuticals, United States of America, 1970-1980


2010/1/449 Slide rule with case, D & P Propeller slip calculator, closed frame, single-sided, special purpose, plastic laminate / wood / metal / glass, made by Dennert & Pape, England, 1901-1925 2010/1/449 Slide rule with case, D & P Propeller slip calculator, closed frame, single-sided, special purpose, plastic laminate / wood / metal / glass, made by Dennert & Pape, England, 1901-1925


2010/1/422 Pocket slide rule with case, Mannheim type, promotional, closed frame, celluloid laminate / wood / metal / glass / leather, made by Dennert & Pape, Germany, c. 1850 2010/1/422 Pocket slide rule with case, Mannheim type, promotional, closed frame, celluloid laminate / wood / metal / glass / leather, made by Dennert & Pape, Germany, c. 1850


2010/1/485 Slide chart and integrated slide rule, Vibration Calculator, duplex, linear, plastic / cardboard, Derritron Group, London, England, 1975-1985 2010/1/485 Slide chart and integrated slide rule, Vibration Calculator, duplex, linear, plastic / cardboard, Derritron Group, London, England, 1975-1985


2010/1/81 Circular duplex slide rule with case and intructions, Mear's Central Heating Calculator, made by M H Mear & Co, Huddersfield, London. England, pre-1971


2010/1/388 Slide rule, gauging, duplex, open frame, electrum / ivory, made by Dring & Fage, London, England, c.1830 2010/1/388 Slide rule, gauging, duplex, open frame, electrum / ivory, made by Dring & Fage, London, England, c.1830


2010/1/389 Pocket slide rule, gauging, duplex, open frame, brass / wood, made by Dring & Fage, London, England, 1903-1938 2010/1/389 Pocket slide rule, gauging, duplex, open frame, brass / wood, made by Dring & Fage, London, England, 1903-1938


2010/1/394 Slide rule, proofing and excise, duplex, brass / wood / ivory, made by Dring & Fage, London, England, 19th century 2010/1/394 Slide rule, proofing and excise, duplex, brass / wood / ivory, made by Dring & Fage, London, England, 19th century


2010/1/406 Slide rule, Proof reduction, duplex, open frame, brass / boxwood, made by Dring & Fage, London, England, after 1896 2010/1/406 Slide rule, Proof reduction, duplex, open frame, brass / boxwood, made by Dring & Fage, London, England, after 1896


2010/1/461 Slide rule, ullaging, closed frame, single-sided, double-slide, boxwood, made by Dring & Fage, London, England, 1804-1844


2010/1/456 Slide rule with case, EAC Tariff Calculator, closed frame, special purpose, single-sided, single-sided slide, celluloid / wood / plastic / aluminium / cardboard, made by The Electrical Apparatus Co Ltd, England, 1970-1975


2010/1/386 Slide rule, Everard, gauging, wood / metal, maker unknown, early 1700s


2010/1/322 Slide rule, Faber-Castell 1/22 Business, closed frame, single sided, double-sided slide, celluloid / wood / plastic, made by Faber-Castel, Germany, 1957 2010/1/322 Slide rule, Faber-Castell 1/22 Business, closed frame, single sided, double-sided slide, celluloid / wood / plastic, made by Faber-Castel, Germany, 1957


2010/1/327 Slide rule with case, Faber-Castell 1/54 Darmstadt, closed frame, plastic / wood, made by Faber-Castell, Germany, c. 1955 2010/1/327 Slide rule with case, Faber-Castell 1/54 Darmstadt, closed frame, plastic / wood, made by Faber-Castell, Germany, c. 1955


2010/1/336 Slide rule with case, instruction sheet and stylus, Faber-Castell 111/87/A Addiator Rietz, plastic / leatherette / paper, made by Faber-Castell, Germany, 1971 2010/1/336 Slide rule with case, instruction sheet and stylus, Faber-Castell 111/87/A Addiator Rietz, plastic / leatherette / paper, made by Faber-Castell, Germany, 1971


2010/1/326 Slide rule with case and instruction sheet, Faber-Castell 2/31 Statique, open frame, duplex, plastic / metal / paper, made by Faber-Castell, Germany, c. 1962 2010/1/326 Slide rule with case and instruction sheet, Faber-Castell 2/31 Statique, open frame, duplex, plastic / metal / paper, made by Faber-Castell, Germany, c. 1962


2010/1/333 Slide rule in case with instruction booklet, Faber Castell 52/82 Duplo, open frame, plastic / paper, made by Faber-Castell, Germany, c. 1960 2010/1/333 Slide rule in case with instruction booklet, Faber Castell 52/82 Duplo, open frame, plastic / paper, made by Faber-Castell, Germany, c. 1960


2010/1/338 Slide rule, Faber-Castell 111/98 Elektro, closed frame, plastic, made by Faber-Castell, Germany, 1957 2010/1/338 Slide rule, Faber-Castell 111/98 Elektro, closed frame, plastic, made by Faber-Castell, Germany, 1957


2010/1/331 Slide rule with case, Faber-Castell 152/81, open frame, duplex, plastic, made by Faber-Castell, Germany, 1972 2010/1/331 Slide rule with case, Faber-Castell 152/81, open frame, duplex, plastic, made by Faber-Castell, Germany, 1972


2010/1/335 Slide rule with case, Faber-Castell 1/87 System Rietz, closed frame, celluloid / wood / plastic, made by Faber-Castell, Germany, 1928-1942 2010/1/335 Slide rule with case, Faber-Castell 1/87 System Rietz, closed frame, celluloid / wood / plastic, made by Faber-Castell, Germany, 1928-1942


2010/1/187 Circular slide rule with pouch, duplex, Fearn 2010/1/187 Circular slide rule with pouch, duplex, Fearn's Vee-Belt Horse Power Calculator, plastic / vinyl, made Fearn's Calculators, England, 1962-1980


2010/1/512 Circular slide chart with cover, Rolled steel weight calculator, plastic / cardboard / metal / paper, made by Fearns, Mear & Co, Huddersfield, England, 1956 2010/1/512 Circular slide chart with cover, Rolled steel weight calculator, plastic / cardboard / metal / paper, made by Fearns, Mear & Co, Huddersfield, England, 1956


2010/1/372 Felsenthal E-6B computer with case and instruction booklet, metal / plastic, made by G Felsenthal & Sons, Chicago, United States of America, 1930s


2010/1/65 Circular slide rule with case, Fowler's 'Magnum' long scale calculator, made by Fowler & Co., Manchester, England, 1927-1939


2010/1/519 Circular slide rule with pouch, Fowler 2010/1/519 Circular slide rule with pouch, Fowler's Junior, duplex, plastic / metal, made by Fowler's (Calculators) Ltd, England, 1950-1960


2010/1/64 Circular slide rule with case, Fowler's Long Scale Calculator, made by Fowler & Co, Manchester, England, 1920-1940


2010/1/67 Circular slide rule with case and instruction sheet, Fowler's Magnum Textile Calculator, glass / metal / leather / paper, made by Fowler & Co, Manchester, England, 1950s


2010/1/63 Circular slide rule with case, Fowler's Textile Calculator - Short Scale Type, metal / glass / leatherette, made by Fowler & Co., Manchester, England, 1920-1940


2010/1/70 Circular slide rule, Fowler's Twelve-Ten Calculator, glass / metal / leather, made by Fowler & Co, Manchester, England, 1936


2010/1/66 Circular slide rule with leather case, Fowler's Universal Calculator, glass / metal / leather, made by Fowler & Co, Manchester, England, 1950s


2010/1/529 Circular slide rule, artillery, metal / plastic, made by Huet, Paris, France, 1925 2010/1/529 Circular slide rule, artillery, metal / plastic, made by Huet, Paris, France, 1925


2010/1/414 Slide rule, special purpose, builders, closed frame, single-sided, dual slides, wood, made by G T Cooper & Sons, London, England, early 20th century 2010/1/414 Slide rule, special purpose, builders, closed frame, single-sided, dual slides, wood, made by G T Cooper & Sons, London, England, early 20th century


2010/1/71 Circular slide rule, Calcumetre, metal, made by G Charpentier, France, 1875-1910


2010/1/268 Slide chart card, duplex, Gastight Syringe and Microliter Syringe Selection Guides, paper, made by Hamilton Company, United States of America, 1950-1980


2010/1/387 Slide rule with case, gauging, duplex, open frame, dual slide, ivory / metal / leather, made by George Mander, London, England, c. 1845-1870 2010/1/387 Slide rule with case, gauging, duplex, open frame, dual slide, ivory / metal / leather, made by George Mander, London, England, c. 1845-1870


2010/1/483 Circular slide chart, Geordie Beer Strength, single-sided, promotional, cardboard, Geordie Home Brewery, England, 1985 2010/1/483 Circular slide chart, Geordie Beer Strength, single-sided, promotional, cardboard, Geordie Home Brewery, England, 1985


2010/1/411 Slide rule, Mannheim, closed frame, single sided, double-sided slide, laminated wood / brass, made by Gravet Lenoir, Paris, France, c. 1860 2010/1/411 Slide rule, Mannheim, closed frame, single sided, double-sided slide, laminated wood / brass, made by Gravet Lenoir, Paris, France, c. 1860


2010/1/410 Slide rule, Soho type, closed frame, single sided, double-sided slide, laminated wood, made by Gravet Lenoir, Paris, France, 1870-1882 2010/1/410 Slide rule, Soho type, closed frame, single sided, double-sided slide, laminated wood, made by Gravet Lenoir, Paris, France, 1870-1882


2010/1/558 Slide rule, Gun Rule Q.F. 25 PR. MKS. 2 & 3. Guns, MK.1, closed frame, single-sided, dual slide, solid aluminium, maker unknown, 1945-1970s 2010/1/558 Slide rule, Gun Rule Q.F. 25 PR. MKS. 2 & 3. Guns, MK.1, closed frame, single-sided, dual slide, solid aluminium, maker unknown, 1945-1970s


2010/1/494 Slide rule, Gun rule, closed frame, single-sided, dual slide, metal, maker unknown, England, 1945 2010/1/494 Slide rule, Gun rule, closed frame, single-sided, dual slide, metal, maker unknown, England, 1945


2010/1/74 Circular slide rule with pouch and instruction booklet, Halden Calculex calculator, duplex, metal / crystal glass / leather / paper, made by J Halden & Co, Manchester, England, 1920s


2010/1/496 Slide rule, Harrow Mark Reducer, single-sided, open frame, wood / brass, straps, made by Aston & Mander, England, 1875-1925 2010/1/496 Slide rule, Harrow Mark Reducer, single-sided, open frame, wood / brass, straps, made by Aston & Mander, England, 1875-1925


H9443 Slide rule and case, bamboo / plastic / metal / leather, designed and made by Hemmi, Japan, 1955-1965 H9443 Slide rule and case, bamboo / plastic / metal / leather, designed and made by Hemmi, Japan, 1955-1965


2010/1/543 Slide rule, artillery ranging, Hill 2010/1/543 Slide rule, artillery ranging, Hill's, closed frame, double-sided, celluloid, made by Aston Mander Ltd, London, England, early 20th century


2010/1/398 Slide rule, Hoare 2010/1/398 Slide rule, Hoare's, open frame, brass / boxwood, made by Aston and Mander Ltd, London, England, c. 1867


2010/1/436 Slide rule with case, Hudson 2010/1/436 Slide rule with case, Hudson's Power Computer, open frame, dual slide, celluloid / metal / leatherette, made by Stanley, London, England, 1930


2010/1/395 Slide rule, gauging, J[oseph] Long, duplex, open frame with brass / boxwood, made by J Long, London, England, 1885-1936 2010/1/395 Slide rule, gauging, J[oseph] Long, duplex, open frame with brass / boxwood, made by J Long, London, England, 1885-1936


2010/1/566 Slide rule, navigation or gun laying, closed frame, single-sided, double-sided slide, brass / glass, maker unknown, Japan, 1920s 2010/1/566 Slide rule, navigation or gun laying, closed frame, single-sided, double-sided slide, brass / glass, maker unknown, Japan, 1920s


2010/1/313 Slide rule with case, Johan Faber 9205, closed frame, single-sided with double-sided slide, celluloid / boxwood / metal / glass. made by Johan Faber AG, Germany, 1900-1925 2010/1/313 Slide rule with case, Johan Faber 9205, closed frame, single-sided with double-sided slide, celluloid / boxwood / metal / glass. made by Johan Faber AG, Germany, 1900-1925


2010/1/460 Slide rule with case, 4081-5 Log-Log Duplex Decitrig, duplex, open frame, metal / celluloid / wood / leather, made by Keuffel & Esser, New York, United States of America, 1956-1972


2010/1/453 Beginner's slide rule wth case, closed frame, wood / glass, made by Keuffel & Esser Company, New York, United States of America, late 1800s


2010/1/506 Cylindrical slide rule, Lafay Helice a Calcul, paper / metal / plastic / cardboard, maker unknown, France, c. 1890 2010/1/506 Cylindrical slide rule, Lafay Helice a Calcul, paper / metal / plastic / cardboard, maker unknown, France, c. 1890


2010/1/433 Slide rule, Horse Power Calculator, closed frame, single slide, printed paper on card laminate, made for Thomas Hart, Lambeth Rope Works, England, late 1800s 2010/1/433 Slide rule, Horse Power Calculator, closed frame, single slide, printed paper on card laminate, made for Thomas Hart, Lambeth Rope Works, England, late 1800s


2010/1/484 Circular slide rule, Vibration level calculator, duplex, promotional, cardboard, maker unknown, c. 1975 2010/1/484 Circular slide rule, Vibration level calculator, duplex, promotional, cardboard, maker unknown, c. 1975


2010/1/73 Circular slide rule, Lord's Calculator, stem wind pocket watch style, made by W Waddington, Coventry, United Kingdom, c. 1900


2010/1/572 Range slide rule, machine gun Mk I, metal / cord / bead, made by W H H, Australia, 1940 2010/1/572 Range slide rule, machine gun Mk I, metal / cord / bead, made by W H H, Australia, 1940


2010/1/267 Slide chart card, duplex, Measurement Units Conversion Chart, paper, made by A.J Romer, Glass and Physics Lab, Carlton, New South Wales, Australia, 1950-1999


2010/1/520 Circular slide rule with pouch and instruction sheet, Multor, metal / plastic / leather / paper, made by Addimult, West Germany, 1960-1980 2010/1/520 Circular slide rule with pouch and instruction sheet, Multor, metal / plastic / leather / paper, made by Addimult, West Germany, 1960-1980


2010/1/508 Circular slide rule with case, NASA 136MC Ambiguity Resolver, single-sided, plastic / metal, made by NASA, United States of America, 1956-1960 2010/1/508 Circular slide rule with case, NASA 136MC Ambiguity Resolver, single-sided, plastic / metal, made by NASA, United States of America, 1956-1960


2010/1/482 Circular sliding chart, National Semiconductor 2010/1/482 Circular sliding chart, National Semiconductor 'Master Dater', calendar, cardboard / metal, National Semiconductor, United States of America, 1980


2010/1/423 Slide rule with case, No.27 Precision, closed frame, double-sided slide. celluloid laminate / wood / cardboard / metal / glass, made by Albert Nestler AG, Germany, 1950-1970 2010/1/423 Slide rule with case, No.27 Precision, closed frame, double-sided slide. celluloid laminate / wood / cardboard / metal / glass, made by Albert Nestler AG, Germany, 1950-1970


2010/1/488 Slide chart, OTC World Time Indicator, promotional, double-sided, cardboard, made by Overseas Telecommunications Commission, Australia, 1973 2010/1/488 Slide chart, OTC World Time Indicator, promotional, double-sided, cardboard, made by Overseas Telecommunications Commission, Australia, 1973


2010/1/476 Circular slide chart, exposure guide, duplex, promotional, cardboard, Philips, Holland, 1955-1965 2010/1/476 Circular slide chart, exposure guide, duplex, promotional, cardboard, Philips, Holland, 1955-1965


2010/1/407 Slide rule, Pelvimetry, special purpose (X-RAY), single-sided, closed frame, wood, made by Philips Metalix Corporation, United States of America, 1940-1960 2010/1/407 Slide rule, Pelvimetry, special purpose (X-RAY), single-sided, closed frame, wood, made by Philips Metalix Corporation, United States of America, 1940-1960


2010/1/507 Slide rule with case, Pilot Balloon Mark IV A, closed frame, plastic / wood / metal, laminate, made by Blundell Rules Ltd, England, 1960-1980 2010/1/507 Slide rule with case, Pilot Balloon Mark IV A, closed frame, plastic / wood / metal, laminate, made by Blundell Rules Ltd, England, 1960-1980


2010/1/499 Calculating rule, Chronograph No 324, metal, made by James Pitkin and Co Ltd, London, England, early 20th century 2010/1/499 Calculating rule, Chronograph No 324, metal, made by James Pitkin and Co Ltd, London, England, early 20th century


2010/1/403 Slide rule with pouch, Pollit 2010/1/403 Slide rule with pouch, Pollit's Pipe Calculator No.105, closed frame, single-sided, wood / leather, made by Elliott Bros, London, England, c. 1892


2010/1/489 Circular slide chart with instruction sheet and envelope, Prestolog Profitmeter and discount calculator, concentric disks, promotional, cardboard / paper, made by W A Kempenich, United States of America, mid-20th century 2010/1/489 Circular slide chart with instruction sheet and envelope, Prestolog Profitmeter and discount calculator, concentric disks, promotional, cardboard / paper, made by W A Kempenich, United States of America, mid-20th century


2010/1/514 Circular slide rule, PT6A-20 Torque Computer, special purpose, promotional, plastic / metal, made by Pratt & Whitney / United Aircraft of Canada Ltd, Canada, late 1960s 2010/1/514 Circular slide rule, PT6A-20 Torque Computer, special purpose, promotional, plastic / metal, made by Pratt & Whitney / United Aircraft of Canada Ltd, Canada, late 1960s


2010/1/193 Circular slide rule with pouch, radiation dosage calculator, Radiac No.1, paper / fabric, made by B R L (Blundell Rules Limited), Weymouth, England, 1951-1956


2010/1/140 Circular slide rule with instruction booklet and pouch, Radio Transmission Line Calculator, plastic / paper / leather, made by W & G (White and Gillespie), Melbourne, Victoria, Australia, c. 1940


2010/1/490 Slide rule, perrygraf, Paint Estimator / Concrete Estimator, cardboard, made by Reader 2010/1/490 Slide rule, perrygraf, Paint Estimator / Concrete Estimator, cardboard, made by Reader's Digest, Australia, 1980s


2010/1/547 Circular slide rule with pouch, Reproduction computer for artwork and photography, plastic, made by Blundell Harling Ltd, Weymouth, England, 1965-1975 2010/1/547 Circular slide rule with pouch, Reproduction computer for artwork and photography, plastic, made by Blundell Harling Ltd, Weymouth, England, 1965-1975


2010/1/420 Slide rule with case, Richardson 2010/1/420 Slide rule with case, Richardson's Pantocrat Six-In-One, metal / leatherette, made by the Richardson Slide Rule Company, Chicago, Illinois, United States of America, 1912-1920


2010/1/405 Slide rule, milk quality gauging, open frame, brass / boxwood, made by the Dairy Supply Co Ltd, London, England, 1875-1920s 2010/1/405 Slide rule, milk quality gauging, open frame, brass / boxwood, made by the Dairy Supply Co Ltd, London, England, 1875-1920s


2010/1/138 Circular slide rule with case, Shot Point Indicator, plastic. designed by Input/Output Inc, Houston, Texas, United States of America, made by Fearns Calculators, England, 1960-1980


2010/1/550 Circular slide rule with packaging, Soviet KL-1, Boucher type, metal / glass, maker unknown, Russia, 1978 2010/1/550 Circular slide rule with packaging, Soviet KL-1, Boucher type, metal / glass, maker unknown, Russia, 1978


2010/1/492 Circular slide rule with instruction sheet and packaging, Spirule, plastic / metal / paper, made by The Spirule Company, United States of America, 1960s 2010/1/492 Circular slide rule with instruction sheet and packaging, Spirule, plastic / metal / paper, made by The Spirule Company, United States of America, 1960s


2010/1/400 Slide rule, Exchange, closed frame, bone / wood, made by Stanley, London, England, early 20th century 2010/1/400 Slide rule, Exchange, closed frame, bone / wood, made by Stanley, London, England, early 20th century


2010/1/413 Slide rule with case and box, Stelfox, celluloid laminate / wood / metal / glass / leather, made by Dennert & Pape for John Davis & Sons, England, 1911-1920 2010/1/413 Slide rule with case and box, Stelfox, celluloid laminate / wood / metal / glass / leather, made by Dennert & Pape for John Davis & Sons, England, 1911-1920


2010/1/344 Slide rule with case, Sun Hemmi model 60, closed frame, single-sided, double-sided slide, bamboo / glass / celluloid, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, c. 1930 2010/1/344 Slide rule with case, Sun Hemmi model 60, closed frame, single-sided, double-sided slide, bamboo / glass / celluloid, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, c. 1930


2010/1/451 Slide rule with case, Sun Hemmi No.34RK, closed frame, single-sided, double-sided slide, celluloid / bamboo / metal / glass / leather, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1958 2010/1/451 Slide rule with case, Sun Hemmi No.34RK, closed frame, single-sided, double-sided slide, celluloid / bamboo / metal / glass / leather, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1958


2010/1/343 Student slide rule and packaging, Sun Hemmi No.40RK, closed frame, single sided, celluloid / bamboo / plastic / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1949-1972 2010/1/343 Student slide rule and packaging, Sun Hemmi No.40RK, closed frame, single sided, celluloid / bamboo / plastic / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1949-1972


2010/1/345 Slide rule with case, Sun Hemmi No. 64, closed frame, single-sided, double-sided slide, celluloid / bamboo / metal, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1955 2010/1/345 Slide rule with case, Sun Hemmi No. 64, closed frame, single-sided, double-sided slide, celluloid / bamboo / metal, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1955


2010/1/346 Slide rule with case, Sun Hemmi No. 64T [Rietz], closed frame, single-sided, double-sided slide, celluloid / bamboo / metal, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1965-1971 2010/1/346 Slide rule with case, Sun Hemmi No. 64T [Rietz], closed frame, single-sided, double-sided slide, celluloid / bamboo / metal, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1965-1971


2010/1/350 Electrical engineers slide rule with case, Sun Hemmi No.153, duplex, open frame, metal / plastic, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Occupied Japan, 1946 -1951 2010/1/350 Electrical engineers slide rule with case, Sun Hemmi No.153, duplex, open frame, metal / plastic, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Occupied Japan, 1946 -1951


2010/1/351 Slide rule with case, Sun Hemmi No.154, duplex, open frame, celluloid / bamboo / metal / glass / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1964 2010/1/351 Slide rule with case, Sun Hemmi No.154, duplex, open frame, celluloid / bamboo / metal / glass / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1964


2010/1/353 Engineering slide rule with case, Sun Hemmi No.255, duplex, open frame, bamboo / metal / plastic / leather, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1952 2010/1/353 Engineering slide rule with case, Sun Hemmi No.255, duplex, open frame, bamboo / metal / plastic / leather, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1952


2010/1/354 Slide rule with case, Sun Hemmi No.255D, duplex, open frame, celluloid / bamboo / metal / plastic / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1966-1976 2010/1/354 Slide rule with case, Sun Hemmi No.255D, duplex, open frame, celluloid / bamboo / metal / plastic / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1966-1976


2010/1/356 Slide rule for electrical engineers with case, Sun Hemmi No.256, duplex, open frame, celluloid / bamboo / metal / glass / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1965 2010/1/356 Slide rule for electrical engineers with case, Sun Hemmi No.256, duplex, open frame, celluloid / bamboo / metal / glass / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1965


2010/1/357 Slide rule with case for chemical engineers, Sun Hemmi No.257, duplex, celluloid / bamboo / metal / plastic / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1965 2010/1/357 Slide rule with case for chemical engineers, Sun Hemmi No.257, duplex, celluloid / bamboo / metal / plastic / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1965


2010/1/358 Slide rule with case for mechanical engineering, Sun Hemmi No.259, duplex, celluloid / bamboo / metal / plastic / leather, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1959 2010/1/358 Slide rule with case for mechanical engineering, Sun Hemmi No.259, duplex, celluloid / bamboo / metal / plastic / leather, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1959


2010/1/360 Slide rule with case, Sun Hemmi No.275D, duplex, open frame, celluloid / bamboo / chrome metal / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1963 2010/1/360 Slide rule with case, Sun Hemmi No.275D, duplex, open frame, celluloid / bamboo / chrome metal / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1963


2010/1/362 Slide rule, Sun Hemmi No.301, closed frame, single-sided, double-sided slide, celluloid / bamboo / metal / plastic, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1954 2010/1/362 Slide rule, Sun Hemmi No.301, closed frame, single-sided, double-sided slide, celluloid / bamboo / metal / plastic, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1954


2010/1/347 Slide rule with case, Sun Hemmi No.80K, closed frame, single-sided, double-sided slide, celluloid / bamboo / metal, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1962 2010/1/347 Slide rule with case, Sun Hemmi No.80K, closed frame, single-sided, double-sided slide, celluloid / bamboo / metal, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1962


2010/1/361 Slide rule with case and instruction booklet, Sun Hemmi No.P281, single-sided, open frame, plastic / bamboo / paper, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1971 2010/1/361 Slide rule with case and instruction booklet, Sun Hemmi No.P281, single-sided, open frame, plastic / bamboo / paper, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1971


2010/1/341 Slide rule with case, Sun (model 2), closed frame, celluloid / bamboo / metal, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1917-1929 2010/1/341 Slide rule with case, Sun (model 2), closed frame, celluloid / bamboo / metal, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1917-1929


2010/1/525 Circular slide rule with pouch, Telex E-6B flight computer model FDF-60, navigational, metal / plastic, made by Telex Communications Inc, United States of America, 1975 2010/1/525 Circular slide rule with pouch, Telex E-6B flight computer model FDF-60, navigational, metal / plastic, made by Telex Communications Inc, United States of America, 1975


B1133 Cylindrical slide rule, metal/ paper / wood, designed by Edwin Thacher, New York, United States of America, 1897-1907 B1133 Cylindrical slide rule, metal/ paper / wood, designed by Edwin Thacher, New York, United States of America, 1897-1907


2010/1/437 Slide rule with case, Bolt Stresser, special purpose, closed frame, single-sided, paper / cardboard laminate / fabric, made by Drawing Office Supplies Ltd, England, early 20th century 2010/1/437 Slide rule with case, Bolt Stresser, special purpose, closed frame, single-sided, paper / cardboard laminate / fabric, made by Drawing Office Supplies Ltd, England, early 20th century


2010/1/538 Slide rule with cover, hydraulic, Essex Pipe Calculator, single-sided, dual slide, laminated cardboard / paper covered cardboard, made by W F Stanley and Co Ltd, London, England, early 20th century 2010/1/538 Slide rule with cover, hydraulic, Essex Pipe Calculator, single-sided, dual slide, laminated cardboard / paper covered cardboard, made by W F Stanley and Co Ltd, London, England, early 20th century


2010/1/564 Slide rule, Motor Transport (MT), closed-frame, duplex, double-sided slide, celluloid (bone?) laminate / wood, made by J H Steward Ltd, London, England, early 20th Century 2010/1/564 Slide rule, Motor Transport (MT), closed-frame, duplex, double-sided slide, celluloid (bone?) laminate / wood, made by J H Steward Ltd, London, England, early 20th Century


2010/1/480 Slide rule, Pelican Calculator, special purpose, promotional, laminated card, maker unknown, England, c. 1925 2010/1/480 Slide rule, Pelican Calculator, special purpose, promotional, laminated card, maker unknown, England, c. 1925


2010/1/434 Slide rule, Horse Power Calculator, closed frame, single slide, printed paper on card laminate, made by Reddaway & Co Ltd, Manchester, England, late 1800s 2010/1/434 Slide rule, Horse Power Calculator, closed frame, single slide, printed paper on card laminate, made by Reddaway & Co Ltd, Manchester, England, late 1800s


2010/1/381 Slide rule, timber contenting, duplex, open frame, wood / brass straps, made by Robert Bretell Bate, England, c. 1820


2010/1/385 Slide rule, timber contenting, duplex, open frame, brass / boxwood, made by W Langley, England, 19th century


2010/1/503 Sliding chart, Toohey 2010/1/503 Sliding chart, Toohey's Draught Bet Calculator, promotional, paper / cardboard, maker unknown, Australia, 1980-2000


2010/1/474 Slide rule, perrygraf, Total Economy Converter, special purpose, promotional, cardboard, made by Perrygraf Australia Ltd, Australia, 1978 2010/1/474 Slide rule, perrygraf, Total Economy Converter, special purpose, promotional, cardboard, made by Perrygraf Australia Ltd, Australia, 1978


2010/1/562 Slide rule with pouch, VeeTee Meter, closed frame, duplex, double-sided slide, plastic (ivorine) / leatherette, maker unknown, early 20th century 2010/1/562 Slide rule with pouch, VeeTee Meter, closed frame, duplex, double-sided slide, plastic (ivorine) / leatherette, maker unknown, early 20th century


2010/1/498 Slide rule in case, W H Glaser 2010/1/498 Slide rule in case, W H Glaser's, closed frame, dual slide, fixed hairline cursor, wood / celluloid / metal / wood, made by Stanley, London, England, c. 1903


2010/1/513 Circular slide rule, power factor (Wattage) improvement, metal / plastic, maker unknown, mid-20th century 2010/1/513 Circular slide rule, power factor (Wattage) improvement, metal / plastic, maker unknown, mid-20th century


85/484 Slide rule, excise, boxwood, made by Dring & Fage Ltd, London, England, 1805-1815 85/484 Slide rule, excise, boxwood, made by Dring & Fage Ltd, London, England, 1805-1815


88/57 Slide rule with case and packaging, plastic / cardboard, made by British Thornton Ltd, England, c. 1971 88/57 Slide rule with case and packaging, plastic / cardboard, made by British Thornton Ltd, England, c. 1971


85/862 Slide rule, cattle gauging, boxwood / brass, made by James Tree & Co, London, England, 1830-1870 85/862 Slide rule, cattle gauging, boxwood / brass, made by James Tree & Co, London, England, 1830-1870


K1070 Slide rule and case, wood / plastic / leather, made by Keuffel and Esser, United States of America, 1945 K1070 Slide rule and case, wood / plastic / leather, made by Keuffel and Esser, United States of America, 1945


88/14 Slide rule in case with formula ruler and instruction booklet, Novo Duplex No 2/83 N, made by Faber Castell, Germany, 1980-1984 88/14 Slide rule in case with formula ruler and instruction booklet, Novo Duplex No 2/83 N, made by Faber Castell, Germany, 1980-1984


K1013 Slide rule in case and instruction book, hydraulic Pickett brand model No. N15, metal / leather / plastic / paper, designed by D W Hagler, made by Pickett for Georgia Iron Works Co, Augusta, Georgia, United States of America, c. 1961 K1013 Slide rule in case and instruction book, hydraulic Pickett brand model No. N15, metal / leather / plastic / paper, designed by D W Hagler, made by Pickett for Georgia Iron Works Co, Augusta, Georgia, United States of America, c. 1961


2010/1/319 Slide rule with case and instruction booklets, A W Faber 378, closed frame, single-sided, double-sided slide, metal rimmed cursor, celluloid / wood / metal / paper, made by A W Faber, Bavaria, c. 1915 2010/1/319 Slide rule with case and instruction booklets, A W Faber 378, closed frame, single-sided, double-sided slide, metal rimmed cursor, celluloid / wood / metal / paper, made by A W Faber, Bavaria, c. 1915


2010/1/315 Slide rule with case, A W Faber-Castell 360, closed frame, celluloid / wood / metal / glass, made by Faber-Castell, Germany, c. 1915 2010/1/315 Slide rule with case, A W Faber-Castell 360, closed frame, celluloid / wood / metal / glass, made by Faber-Castell, Germany, c. 1915


2010/1/317 Slide rule with pouch, A W Faber 364, closed frame, single-sided, celluloid / wood / metal / leather, made by A W Faber, Germany, c. 1915 2010/1/317 Slide rule with pouch, A W Faber 364, closed frame, single-sided, celluloid / wood / metal / leather, made by A W Faber, Germany, c. 1915


2010/1/318 Slide rule and case, A W Faber 367, closed frame, single-sided, celluloid / wood / metal, made by A W Faber, Germany, c. 1915 2010/1/318 Slide rule and case, A W Faber 367, closed frame, single-sided, celluloid / wood / metal, made by A W Faber, Germany, c. 1915


85/482 Slide rule (Brewer 85/482 Slide rule (Brewer's rule), Farmar's Spirit Rule No.1, boxwood / brass, made by F C Farmar, England, 1900s


2010/1/527 Circular slide rule with case and instruction leaflet, Academy 310, single-sided, plastic / paper, made by Blundell Rules Ltd, England, 1960-1970


2010/1/397 Slide rule, alcohol proofing, ivory / electrum, made by T Gill, London, England, late 1700s 2010/1/397 Slide rule, alcohol proofing, ivory / electrum, made by T Gill, London, England, late 1700s


2010/1/565 Alidade, military, wood / brass, made by Aston & Mander Ltd, London, England, 1914 2010/1/565 Alidade, military, wood / brass, made by Aston & Mander Ltd, London, England, 1914


2010/1/470 Promotional slide chart, Atlas Steels Milliminch, units conversion, duplex, cardboard, maker unknown (possibly Perrygraf, USA), 1965-1975 2010/1/470 Promotional slide chart, Atlas Steels Milliminch, units conversion, duplex, cardboard, maker unknown (possibly Perrygraf, USA), 1965-1975


2010/1/471 Promotional sliding chart and slide rule, Atlas Steels Weight Calculator, duplex, weight calculator, cardboard, made by Perry Graf Corporation, United States of America, 1963 2010/1/471 Promotional sliding chart and slide rule, Atlas Steels Weight Calculator, duplex, weight calculator, cardboard, made by Perry Graf Corporation, United States of America, 1963


2010/1/59 Slide rule with case and instructions, Bailey Orifice and Flow Nozzle Calculator, plastic / paper, made by Bailey Meter Company, United States of America, 1950-1978


2010/1/450 Slide rule with case, hydraulic, closed frame, single sided, special purpose, celluloid / Bakelite / plastic / cardboard, made by Bell Brothers Ltd, Manchester, England, 1927 2010/1/450 Slide rule with case, hydraulic, closed frame, single sided, special purpose, celluloid / Bakelite / plastic / cardboard, made by Bell Brothers Ltd, Manchester, England, 1927


2010/1/137 Circular slide rule with pouch and instruction sheet, Gilson Binary, aluminium / leatherette / paper, made by the Gilson Slide Rule Company, United States of America, c. 1940


2010/1/468 Circular slide rule with instruction manual, booklet and packaging, Blackwell Average Speed, single-sided, plastic / paper, made by Blackwell 2010/1/468 Circular slide rule with instruction manual, booklet and packaging, Blackwell Average Speed, single-sided, plastic / paper, made by Blackwell's Metallurgical Works Ltd, Liverpool, England, 1954-1970


2010/1/368 Slide rule, Blundell 6E/272 Government issue version of model S143-10, closed frame, plastic, made by Blundell Rules Limited, England, 1975-1982 2010/1/368 Slide rule, Blundell 6E/272 Government issue version of model S143-10, closed frame, plastic, made by Blundell Rules Limited, England, 1975-1982


2010/1/518 Circular slide rule with sleeve, Blundell Harling percentage calculator, plastic / metal, made by Blundell Harling Ltd, Weymouth, England, 1970 2010/1/518 Circular slide rule with sleeve, Blundell Harling percentage calculator, plastic / metal, made by Blundell Harling Ltd, Weymouth, England, 1970


2010/1/366 Slide rule with case and instruction leaflet, BRL Academy 302 Log/Log, open frame, plastic / cloth / cardboard, made by Blundell Rules Limited, England, date uknown 2010/1/366 Slide rule with case and instruction leaflet, BRL Academy 302 Log/Log, open frame, plastic / cloth / cardboard, made by Blundell Rules Limited, England, date uknown


2010/1/365 Slide rules (2), one with packaging, BRL Artillery Mk.3, closed frame, plastic / cardboard, made by Blundell Rules Limited, England, 1970 2010/1/365 Slide rules (2), one with packaging, BRL Artillery Mk.3, closed frame, plastic / cardboard, made by Blundell Rules Limited, England, 1970


2010/1/370 Slide rule with case and instruction booklet, BRL PG54 Photogrammetric, duplex, open frame, metal / plastic / wood / leatherette / paper, made by Blundell Rules Limited, England, c. 1957 2010/1/370 Slide rule with case and instruction booklet, BRL PG54 Photogrammetric, duplex, open frame, metal / plastic / wood / leatherette / paper, made by Blundell Rules Limited, England, c. 1957


2010/1/495 Slide rule with stands and case, BRL T-20, single-sided, Bakelite / plastic / metal, made by Blundell Rules Ltd, England, 1950-1960 2010/1/495 Slide rule with stands and case, BRL T-20, single-sided, Bakelite / plastic / metal, made by Blundell Rules Ltd, England, 1950-1960


2010/1/567 Slide rule with pouch, Burton 2010/1/567 Slide rule with pouch, Burton's Howitzer, duplex, closed frame, double-sided slide, wood / bone / leather / paper, made by Elliot Bros, London, England, early 20th Century


2010/1/194 Military slide rule, range taking Mk I, plastic, made by Reliance (Name Plates) Ltd, England, 1937 2010/1/194 Military slide rule, range taking Mk I, plastic, made by Reliance (Name Plates) Ltd, England, 1937


2010/1/457 Slide rule with case, Caterers and Confectioners, closed frame, single-sided, special purpose, celluloid / wood, Unique Slide Rule Company, 1950-1970


2010/1/200 Circular slide rule watch with packaging, Boucher type, metal / glass / cardboard box, Research Institute for Control Equipment, Moscow, USSR, 1960-1970.


2010/1/439 Slide rule, Tax calculator, special purpose, closed frame, duplex slide, plastic, made by Blundell Rules Limited, England, 1961 2010/1/439 Slide rule, Tax calculator, special purpose, closed frame, duplex slide, plastic, made by Blundell Rules Limited, England, 1961


2010/1/537 Circular slide rules (6), Type A, No 28, No 32, No 270, No 300, No 380, plastic / metal / paper, made by Takeda Drawing Instruments Mfg Co Ltd, Japan, dates unknown 2010/1/537 Circular slide rules (6), Type A, No 28, No 32, No 270, No 300, No 380, plastic / metal / paper, made by Takeda Drawing Instruments Mfg Co Ltd, Japan, dates unknown


2010/1/481 Promotional slide rule, Concrete Volume, plastic / cardboard, made by Blundell Harling Ltd, England, 1970-1980 2010/1/481 Promotional slide rule, Concrete Volume, plastic / cardboard, made by Blundell Harling Ltd, England, 1970-1980


2010/1/404 Slide rule, Cooke Troughton and Simms, hydraulic, closed frame, single-sided, special purpose, double-sided slide, wood, made by Cooke, Troughton and Simms Ltd, London, England, c. 1925 2010/1/404 Slide rule, Cooke Troughton and Simms, hydraulic, closed frame, single-sided, special purpose, double-sided slide, wood, made by Cooke, Troughton and Simms Ltd, London, England, c. 1925


2010/1/469 Circular slide chart, Cox 2010/1/469 Circular slide chart, Cox's Stadia Computer, single-sided, celluloid, made by W & L E Gurley, New York, United States of America, 1960-1970


2010/1/465 Slide chart, Decimal Conversion Table, duplex, promotional, cardboard, made by CPH Printing Centre, Australia, c. 1965


2010/1/265 Slide chart card, duplex, Dividends and Earnings Yield Calculator, paper, made by Ralph W King and Yuill (Members of the Sydney Stock Exchange), Sydney, New South Wales, Australia, 1965-1970


2010/1/393 Slide rule, Grains Rule, single-sided, open frame, wood / brass, made by Dring & Fage, London, England, c. 1903-1938 2010/1/393 Slide rule, Grains Rule, single-sided, open frame, wood / brass, made by Dring & Fage, London, England, c. 1903-1938


2010/1/391 Slide rule, excise, single sided, open frame, brass / wood, made by Dring & Fage, London, England, 1883-1902 2010/1/391 Slide rule, excise, single sided, open frame, brass / wood, made by Dring & Fage, London, England, 1883-1902


2010/1/390 Slide rule, saccharometer, duplex, open frame, brass / wood / ivory, made by Dring & Fage, London, England, c. 1830 2010/1/390 Slide rule, saccharometer, duplex, open frame, brass / wood / ivory, made by Dring & Fage, London, England, c. 1830


2010/1/132 Dual cylindrical slide rule in frame, for calculating volumes of pipes, wood / paper / plastic, maker unknown, early 20th century. 2010/1/132 Dual cylindrical slide rule in frame, for calculating volumes of pipes, wood / paper / plastic, maker unknown, early 20th century.


2010/1/269 Slide chart / card with cover, duplex, EMF New Era Electrodes, paper, made for the EMF Electric Company Pty Ltd, Australia, 1950-1980


2010/1/392 Slide rule, Ewarts Cattle Gauging, single-sided closed frame, boxwood / bone / metal, made by Dring & Fage, London, England, 1903-1938 2010/1/392 Slide rule, Ewarts Cattle Gauging, single-sided closed frame, boxwood / bone / metal, made by Dring & Fage, London, England, 1903-1938


2010/1/323 Slide rule with case, Faber-Castell 111/22 Disponent, closed frame, single sided, double-sided slide, plastic, made by Faber-Castell, Germany, 1971 2010/1/323 Slide rule with case, Faber-Castell 111/22 Disponent, closed frame, single sided, double-sided slide, plastic, made by Faber-Castell, Germany, 1971


2010/1/337 Slide rule with case, Faber-Castell 1/98 Elektro, closed frame, plastic / wood, made by Faber-Castell, Germany, 1966 2010/1/337 Slide rule with case, Faber-Castell 1/98 Elektro, closed frame, plastic / wood, made by Faber-Castell, Germany, 1966


2010/1/324 Slide rule with case and stylus, Faber-Castell 111/22/A Addiator, closed frame, single sided, plastic / paper, made by Faber-Castell, Germany, 1957 2010/1/324 Slide rule with case and stylus, Faber-Castell 111/22/A Addiator, closed frame, single sided, plastic / paper, made by Faber-Castell, Germany, 1957


2010/1/328 Slide rule with case, Faber Castell 111/54 Darmstadt, closed frame, single-sided, plastic, made by Faber-Castell, Germany, c. 1955 2010/1/328 Slide rule with case, Faber Castell 111/54 Darmstadt, closed frame, single-sided, plastic, made by Faber-Castell, Germany, c. 1955


2010/1/332 Slide rule with case and instruction sheet, Faber-Castell 2/82 N Biplex, open frame, duplex, plastic / metal / paper, made by Faber-Castell, Gemany, c. 1962 2010/1/332 Slide rule with case and instruction sheet, Faber-Castell 2/82 N Biplex, open frame, duplex, plastic / metal / paper, made by Faber-Castell, Gemany, c. 1962


2010/1/325 Slide rule with case and instruction leaflet, Faber-Castell 57/22, single-sided, linear, closed frame, plastic / paper, made by Faber-Castell, Germany, c. 1955 2010/1/325 Slide rule with case and instruction leaflet, Faber-Castell 57/22, single-sided, linear, closed frame, plastic / paper, made by Faber-Castell, Germany, c. 1955


2010/1/334 Slide rule with case, Faber Castell 62/83 for engineers and technicians, open frame, duplex, plastic / metal, made by Faber-Castell, Germany, c. 1956 2010/1/334 Slide rule with case, Faber Castell 62/83 for engineers and technicians, open frame, duplex, plastic / metal, made by Faber-Castell, Germany, c. 1956


2010/1/452 Business slide rule with case, special purpose, closed frame, single-sided, double-sided slide, aluminium / steel / plastic / leather, made by A W Faber Castell, Germany, c. 1955


2010/1/330 Sliding chart with cover, Faber-Castell Parifix 20/68, plastic / cardboard, made by Faber-Castell, Gemany, 1957 2010/1/330 Sliding chart with cover, Faber-Castell Parifix 20/68, plastic / cardboard, made by Faber-Castell, Gemany, 1957


2010/1/329 Pocket slide rule with with case and packaging, Faber Castell 67/54b Darmstadt, closed frame, plastic / cardboard, made by Faber-Castell, Germany, c. 1970 2010/1/329 Pocket slide rule with with case and packaging, Faber Castell 67/54b Darmstadt, closed frame, plastic / cardboard, made by Faber-Castell, Germany, c. 1970


2010/1/440 Slide rule with box, Farmar 2010/1/440 Slide rule with box, Farmar's Profit Calculating, special purpose, modified closed frame. Bakelite / paper / wood / cardboard, made by Theodore Farmar, England, early 1900s


2010/1/523 Circular slide rule, Flik-o-Disk electrical calculator, plastic / metal, made by Ionic Labratories, England, 1944 2010/1/523 Circular slide rule, Flik-o-Disk electrical calculator, plastic / metal, made by Ionic Labratories, England, 1944


2010/1/438 Promotional slide rule with case, Cost and Selling Price Indicator, special purpose, closed frame, single-sided, printed plastic, made for The Food Industry Sales Executives of Buffalo New York, United States of America, 1948 2010/1/438 Promotional slide rule with case, Cost and Selling Price Indicator, special purpose, closed frame, single-sided, printed plastic, made for The Food Industry Sales Executives of Buffalo New York, United States of America, 1948


2010/1/61 Circular slide rule with case, Fowler's Textile Calculator - Short Scale Type, metal / glass, made by Fowler & Co, Manchester, England, 1920-1940


2010/1/62 Circular slide rules (2), Fowler's Textile Calculator Type E and Type E1, made by Fowler & Co., Manchester, England, 1920-1940


2010/1/256 Cylindrical slide rule with case and instruction manuals, Fuller, bakelite / wood / metal / paper, made by Stanley, London, England, 1916


2010/1/486 Slide rule with sleeve, Mobile Radio Range and Signal Strength Calculator, plastic / paper, made by Graphic Calculator Company, United States of America, c. 1972 2010/1/486 Slide rule with sleeve, Mobile Radio Range and Signal Strength Calculator, plastic / paper, made by Graphic Calculator Company, United States of America, c. 1972


2010/1/415 Slide rule with case, generic, closed frame, wood / metal / plastic / cardboard, made by Lawrence Engineering Service, United States of America, c. 1937 2010/1/415 Slide rule with case, generic, closed frame, wood / metal / plastic / cardboard, made by Lawrence Engineering Service, United States of America, c. 1937


2010/1/559 Artillery slide rule with pouch, plastic / leather, maker unknown, Germany, 1943 2010/1/559 Artillery slide rule with pouch, plastic / leather, maker unknown, Germany, 1943


2010/1/530 Slide rule with case and instructions, Rechenstab PA 44, duplex, plastic / paper / cloth / metal, made by Wichmann, Germany, c. 1944 2010/1/530 Slide rule with case and instructions, Rechenstab PA 44, duplex, plastic / paper / cloth / metal, made by Wichmann, Germany, c. 1944


2010/1/509 Circular slide rule with pouch, Gilson A-B, duplex, multi-cursor, metal / plastic, made by Gilson Slide Rule Co, Stuart, Florida, United States of America, 1940 2010/1/509 Circular slide rule with pouch, Gilson A-B, duplex, multi-cursor, metal / plastic, made by Gilson Slide Rule Co, Stuart, Florida, United States of America, 1940


2010/1/517 Circular slide rule with sleeve and instruction booklet, Griffin 2010/1/517 Circular slide rule with sleeve and instruction booklet, Griffin '121', plastic / paper, made by John Griffin & Sons, London, 1980s.


2010/1/339 Slide rule with case, Mannheim scale, closed frame, celluloid laminate / boxwood / metal / glass, made by J Halden & Company, England, 1900-1925 2010/1/339 Slide rule with case, Mannheim scale, closed frame, celluloid laminate / boxwood / metal / glass, made by J Halden & Company, England, 1900-1925


2010/1/554 Circular slide rule with pouch and instruction booklet, Halden Calculex, duplex, metal / crystal glass / leather / paper, made by J Halden & Company, Manchester, England, early 20th century 2010/1/554 Circular slide rule with pouch and instruction booklet, Halden Calculex, duplex, metal / crystal glass / leather / paper, made by J Halden & Company, Manchester, England, early 20th century


2010/1/432 Slide rule, Horse Power Calculator, closed frame, single slide, printed paper on card laminate, made by C N Pickworth, Manchester, England, late 1800s 2010/1/432 Slide rule, Horse Power Calculator, closed frame, single slide, printed paper on card laminate, made by C N Pickworth, Manchester, England, late 1800s


2010/1/145 Circular slide rule with packaging and pamphlet, Horse Power Computer for Steam Engines, cardboard / paper, made by Charles Griffin & Co Ltd, London, England, 1908


2010/1/363 Slide rule, Hughes-Owens 341 3526, closed frame, celluloid / bamboo / metal / plastic, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1964-1968 2010/1/363 Slide rule, Hughes-Owens 341 3526, closed frame, celluloid / bamboo / metal / plastic, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1964-1968


2010/1/477 Slide rule, Imperial Exposure Reckoner, single-sided, dual slides, cardboard, The Imperial Dry Plate Co Ltd, London, England, 1902-1920 2010/1/477 Slide rule, Imperial Exposure Reckoner, single-sided, dual slides, cardboard, The Imperial Dry Plate Co Ltd, London, England, 1902-1920


2010/1/487 Slide chart, political propaganda, interest rate calculator, linear, duplex, paper, maker unknown, Australia, 2004 2010/1/487 Slide chart, political propaganda, interest rate calculator, linear, duplex, paper, maker unknown, Australia, 2004


2010/1/340 Adjustable slide rule, Sun, closed frame, celluloid / bamboo / metal, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, c. 1917-1929 2010/1/340 Adjustable slide rule, Sun, closed frame, celluloid / bamboo / metal, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, c. 1917-1929


2010/1/396 Slide rule, Joseph Long, proof gauging, single sided, closed-frame, ivory / wood / brass, made by J Long, London, England, 1900-1925 2010/1/396 Slide rule, Joseph Long, proof gauging, single sided, closed-frame, ivory / wood / brass, made by J Long, London, England, 1900-1925


2010/1/466 Promotional slide chart, J P Decimal Converter, cardboard, made by J P Products Pty Ltd, Croydon, South Australia, 1965-1966


2010/1/412 Slide rule, Mannheim, closed frame, single sided, metal / wood, probably made in France and retailed by Jackson Bros, Leeds, England, late 1800s 2010/1/412 Slide rule, Mannheim, closed frame, single sided, metal / wood, probably made in France and retailed by Jackson Bros, Leeds, England, late 1800s


2010/1/75 Artillery calculator with pouch, dual opposing 180 scales on cursor and 360 scale on slide, wood / plastic, maker unknown, Japan, 1938


2010/1/473 Circular slide chart, Jectofer dosage calculator, duplex, cardboard, made by Astra Pharmaceuticals (Australia) Pty Ltd, Australia, 1960-1970 2010/1/473 Circular slide chart, Jectofer dosage calculator, duplex, cardboard, made by Astra Pharmaceuticals (Australia) Pty Ltd, Australia, 1960-1970


2010/1/418 Slide rule, Log-Log, duplex, open frame, metal / celluloid / mahogany / glass / plastic, made by Keuffel & Esser Company, New York, United States of America, c. 1915


2010/1/266 Slide chart card, duplex, Metric Conversion Slide Rule, paper, made by Slide Charts of Australia, Sydney, New South Wales, Australia, 1972


2010/1/77 Circular slide rule, Nairn's Linoleum Calculator, souvenir of the British Empire exhibition, linoleum / paper / metal, maker unknown, England, 1924


2010/1/399 Slide rule, The Exchange Slide Rule, closed frame, single-sided, ivory / wood, made by Negretti & Zambra, London, England, 1850-1879 2010/1/399 Slide rule, The Exchange Slide Rule, closed frame, single-sided, ivory / wood, made by Negretti & Zambra, London, England, 1850-1879


2010/1/428 Pocket slide rule with case, Nestler No.11ZE electrical, closed frame, celluloid / leather, made by Albert Nestler AG, Germany, 1930-1950 2010/1/428 Pocket slide rule with case, Nestler No.11ZE electrical, closed frame, celluloid / leather, made by Albert Nestler AG, Germany, 1930-1950


2010/1/427 Slide rule with case, Nestler No.40, closed frame, single-sided, double-sided slide, commercial scales, celluloid laminate / wood / metal / cardboard, made by Albert Nestler AG, Germany, c. 1930 2010/1/427 Slide rule with case, Nestler No.40, closed frame, single-sided, double-sided slide, commercial scales, celluloid laminate / wood / metal / cardboard, made by Albert Nestler AG, Germany, c. 1930


2010/1/84 Cylindrical pocket slide rule with packaging, Otis King Model K, metal / paper / metal / cardboard, made by Carbic Limited, London, England, 1950s 2010/1/84 Cylindrical pocket slide rule with packaging, Otis King Model K, metal / paper / metal / cardboard, made by Carbic Limited, London, England, 1950s


2010/1/82 Pocket cylindrical slide rule, Otis King Model L, metal / paper-coated metal, made by Carbic Ltd, Londin, England, 1921-1972 2010/1/82 Pocket cylindrical slide rule, Otis King Model L, metal / paper-coated metal, made by Carbic Ltd, Londin, England, 1921-1972


2010/1/257 Circular slide rule with case, Patent Earthwork Measuring, wood / metal / glass, made by Troughton & Simms, England, early 20th century


2010/1/557 Circular slide rule, graphic arts, metal / wood, maker unknown, early 20th century 2010/1/557 Circular slide rule, graphic arts, metal / wood, maker unknown, early 20th century


2010/1/425 Slide rule with case, Pickett Model 2-T, duplex, open frame, aluminium / plastic / leather, made by Pickett & Eckel Inc, Chicago, Illinois, United States of America, 1950-1958 2010/1/425 Slide rule with case, Pickett Model 2-T, duplex, open frame, aluminium / plastic / leather, made by Pickett & Eckel Inc, Chicago, Illinois, United States of America, 1950-1958


2010/1/419 Slide rule with case, Picket Model 800-T, duplex, open frame, aluminium / leather, made by Pickett & Eckel Inc, Chicago, Illinois, United States of America, c. 1960 2010/1/419 Slide rule with case, Picket Model 800-T, duplex, open frame, aluminium / leather, made by Pickett & Eckel Inc, Chicago, Illinois, United States of America, c. 1960


2010/1/431 Slide rule with case and instruction leaflet, Pickworth 2010/1/431 Slide rule with case and instruction leaflet, Pickworth's Power Computer, closed frame, dual slide, made by C N Pcikworth, Manchester, England, late 1800s


2010/1/125 Circular slide rule with pouch and instruction book, Polhemus Celestial Computer, plastic / vinyl / paper / metal, made by Felsenthal Instruments Co. Chicago, United States of America, c 1980


85/1691 Radiac logarithmic slide rule and packaging, made by the Admiralty Research Laboratory, Teddington, England, 1950-1955 85/1691 Radiac logarithmic slide rule and packaging, made by the Admiralty Research Laboratory, Teddington, England, 1950-1955


2010/1/416 Slide rule, Relay No.82, closed frame, single sided, celluloid / bamboo/ metal / plastic, made by Relay Keisanjuku, Japan, c. 1962 2010/1/416 Slide rule, Relay No.82, closed frame, single sided, celluloid / bamboo/ metal / plastic, made by Relay Keisanjuku, Japan, c. 1962


2010/1/430 Slide rule with case, relative humidity calculator, special purpose, closed frame, celluloid / wood / leather / metal, made by Short & Mason, London, England, mid 20th century 2010/1/430 Slide rule with case, relative humidity calculator, special purpose, closed frame, celluloid / wood / leather / metal, made by Short & Mason, London, England, mid 20th century


2010/1/475 Circular slide chart, Siemens transistor selector, duplex, promotional, cardboard, Siemens, Germany, 1973 2010/1/475 Circular slide chart, Siemens transistor selector, duplex, promotional, cardboard, Siemens, Germany, 1973


2005/88/1 Slide rule, four linear logarithmic scales (A, B, C, D), timber, made by R F Agnew, England, 1913 2005/88/1 Slide rule, four linear logarithmic scales (A, B, C, D), timber, made by R F Agnew, England, 1913


2010/1/378 Slide rule, Sliding Gunter, duplex, open frame, brass / boxwood, maker unknown, late-18th century 2010/1/378 Slide rule, Sliding Gunter, duplex, open frame, brass / boxwood, maker unknown, late-18th century


2010/1/551 Slide chart with pouch, double-sided, special purpose, promotional, plastic, made by the Standards Association of Australia, Australia, 1970-1985 2010/1/551 Slide chart with pouch, double-sided, special purpose, promotional, plastic, made by the Standards Association of Australia, Australia, 1970-1985


2010/1/408 Slide rule, Indicated Horsepower, single sided, closed frame, special purpose. wood, made by Stanley, London, England, date uknown 2010/1/408 Slide rule, Indicated Horsepower, single sided, closed frame, special purpose. wood, made by Stanley, London, England, date uknown


2010/1/355 Slide rule, Sun Hemmi No.255D, modified duplex, open frame, bamboo / metal / plastic, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, modified by Allan Bromley, dates unknown 2010/1/355 Slide rule, Sun Hemmi No.255D, modified duplex, open frame, bamboo / metal / plastic, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, modified by Allan Bromley, dates unknown


2010/1/348 Slide rule with case, Sun Hemmi No.130 System Darmstadt, closed frame, single-sided, double-sided slide, celluloid / bamboo / metal / plastic, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1955 2010/1/348 Slide rule with case, Sun Hemmi No.130 System Darmstadt, closed frame, single-sided, double-sided slide, celluloid / bamboo / metal / plastic, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1955


2010/1/497 Slide rule with case, Sun Hemmi No.130 System Darmstadt, celluloid / bamboo / metal / plastic / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1955 2010/1/497 Slide rule with case, Sun Hemmi No.130 System Darmstadt, celluloid / bamboo / metal / plastic / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1955


2010/1/349 Slide rule with case, Sun Hemmi No.130W, closed frame, single-sided, double-sided slide, celluloid / bamboo / metal / plastic, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1970-1972 2010/1/349 Slide rule with case, Sun Hemmi No.130W, closed frame, single-sided, double-sided slide, celluloid / bamboo / metal / plastic, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1970-1972


2010/1/352 Slide rule with case, Sun Hemmi No.250, duplex, celluloid / bamboo / metal / plastic / leather, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1951-1972 2010/1/352 Slide rule with case, Sun Hemmi No.250, duplex, celluloid / bamboo / metal / plastic / leather, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1951-1972


2010/1/359 Slide rule with case, Sun Hemmi No.259D, duplex, open frame, celluloid / bamboo / metal / plastic / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1963 2010/1/359 Slide rule with case, Sun Hemmi No.259D, duplex, open frame, celluloid / bamboo / metal / plastic / cardboard, made by the Hemmi Bamboo Slide Rule Manufacturing Co Ltd, Japan, 1963


2010/1/421 Slide rule, System Cuntz, closed frame, celluloid / wood / metal / glass, made by Schacht & Westerich, Hamburg, Germany, 1914-1920 2010/1/421 Slide rule, System Cuntz, closed frame, celluloid / wood / metal / glass, made by Schacht & Westerich, Hamburg, Germany, 1914-1920


2010/1/491 Circular sliding chart with packaging, Shetack drill thread, single disk, paper / cardboard, made by Shetack Tools, United Kingdom, mid 20th century 2010/1/491 Circular sliding chart with packaging, Shetack drill thread, single disk, paper / cardboard, made by Shetack Tools, United Kingdom, mid 20th century


2010/1/402 Slide rule with case and instruction sheet, ElectroFlo Boiler Efficiency, single-sided, closed frame, special purpose, celluloid / wood / cardboard / paper, made by the Electro Flow Meters Company, England, 1923 2010/1/402 Slide rule with case and instruction sheet, ElectroFlo Boiler Efficiency, single-sided, closed frame, special purpose, celluloid / wood / cardboard / paper, made by the Electro Flow Meters Company, England, 1923


2010/1/129 Spiral mechanical calculator, The Adal Calculator, metal, The Addall Company, Temple Courts, Temple Row, Birmingham, 1910.


2010/1/526 Circular slide rule with pouch, Bonwitt, duplex, plastic / metal / paper / fabric, made by The British Engraving and Nameplate Manufacturing Co Ltd, London, England, 1943 2010/1/526 Circular slide rule with pouch, Bonwitt, duplex, plastic / metal / paper / fabric, made by The British Engraving and Nameplate Manufacturing Co Ltd, London, England, 1943


2010/1/454 Slide rule with case, Clementson Pipe Sizing, closed frame, special purpose, celluloid / wood / cardboard, made by A G Thornton Ltd, England, 1955


2010/1/455 Slide rule with case, Clementson Steam Pipe Sizing, closed frame, special purpose, celluloid / wood / cardboard, made by A G Thornton Ltd, England, 1955


2010/1/552 Circular slide rule with pouch and instruction booklet, Ilford Exposure Meter, metal / paper / leather, made by Ilford Limited, Ilford, London, England, c. 1920 2010/1/552 Circular slide rule with pouch and instruction booklet, Ilford Exposure Meter, metal / paper / leather, made by Ilford Limited, Ilford, London, England, c. 1920


2010/1/493 Slide rule with instructions and case, International Petoleum Tonnage Calculator, special construction, single-sided, paper / wood / plastic / metal, made by the Magnameta Company, Kent, England, 1960s


2010/1/401 Slide rule, Wilkinson Sugar Rule, single sided, closed frame, celluloid laminate / wood / plastic, made by W Wilkinson, Manchester, England, 1953 2010/1/401 Slide rule, Wilkinson Sugar Rule, single sided, closed frame, celluloid laminate / wood / plastic, made by W Wilkinson, Manchester, England, 1953


2010/1/409 Slide rule, Dixon Engineer 2010/1/409 Slide rule, Dixon Engineer's, duplex, closed frame, dual slide (both slides on one side only), boxwood, designed by Thomas Dixon, made by Stanley, London, England, 1885


2010/1/472 Slide chart, safe load tables, cardborad, made by Perrygraf of Australia Pty Ltd, Australia, 1970s 2010/1/472 Slide chart, safe load tables, cardborad, made by Perrygraf of Australia Pty Ltd, Australia, 1970s


2010/1/417 Promotional slide rule with case, pocket, closed frame, ivorine / celluloid / leather, made by UNIS, Paris France, 1919 2010/1/417 Promotional slide rule with case, pocket, closed frame, ivorine / celluloid / leather, made by UNIS, Paris France, 1919


2010/1/504 Cylindrical slide rule with instruction sheet, Universal Circle, plastic / paper, made by Copenhagen Creative Workshop Inc, Denmark, 1970 2010/1/504 Cylindrical slide rule with instruction sheet, Universal Circle, plastic / paper, made by Copenhagen Creative Workshop Inc, Denmark, 1970


2010/1/560 Slide rule with case, US Army Air Force load adjuster, closed frame, single-sided, special purpose, plastic / Bakelite / leather, made by Cox and Stevens Aircraft Corp, Minoela, New York, United States of America, c. 1945 2010/1/560 Slide rule with case, US Army Air Force load adjuster, closed frame, single-sided, special purpose, plastic / Bakelite / leather, made by Cox and Stevens Aircraft Corp, Minoela, New York, United States of America, c. 1945


2010/1/467 Sliding chart with packaging, Valufix reckoner, duplex, celluloid / leather / cardboard, maker unknown, Germany, 1950-1960


2010/1/270 Elapsed time counter display, metal / plastic, made by the VDO Tachometer Werke of Adolf Schindling GmbH, Frankfurt am Main, Germany, 1960-1980


2010/1/448 Slide rule with case, Dualface Model 476, duplex, open frame, metal / plastic laminate / wood / glass, made by W & G (Whtie and Gillepsie), Melbourne, Victoria, Australia, 1947. 2010/1/448 Slide rule with case, Dualface Model 476, duplex, open frame, metal / plastic laminate / wood / glass, made by W & G (Whtie and Gillepsie), Melbourne, Victoria, Australia, 1947.


2010/1/570 Alidade with pouch, artillery plotting rule, single-sided, wood / brass / leather, made by W H Harling, London, England, 1911 2010/1/570 Alidade with pouch, artillery plotting rule, single-sided, wood / brass / leather, made by W H Harling, London, England, 1911


2010/1/141 Circular slide rule, Water Flow Calculator, paper / metal, maker unknown, early 20th century


2010/1/139 Circular slide chart with packaging, duplex, Wright Family Rhythm Forecaster, paper, made by Forecaster, St Louis, United States of America, c. 1960


B1740 Slide rule and charts, B1740 Slide rule and charts, 'The Calculigraph The Colyer-Noyes Slide Rule', published by John Sands, Australia,1885-1895


85/864 Slide rule, 85/864 Slide rule, 'Bolted Joint', designed by William Slater Bolton, made by Thomas Bradburn & Sons, England, 1830-1870


2010/1/215 Dual side military slide rule with case, safe angle of fire, metal / leather, maker unknown, probably French, mid-20th century


2010/1/571 Military slide rule with pouch, range calculator, Howitzer Machine gun, Mk III, wood / leather, made by W H H, Australia, 1940 2010/1/571 Military slide rule with pouch, range calculator, Howitzer Machine gun, Mk III, wood / leather, made by W H H, Australia, 1940


2010/1/542 Tie clip, slide rule design, closed frame, magnifying cursor, metal / plastic, maker unknown, 1970s 2010/1/542 Tie clip, slide rule design, closed frame, magnifying cursor, metal / plastic, maker unknown, 1970s


H9928 Surveying instruments, protractors (2) and case, metal / wood / textile, made by Elliott Brothers and Troughton and Simms, London, England, 1853-1873, used at Sydney Observatory, New South Wales, Australia, 1858-1917 H9928 Surveying instruments, protractors (2) and case, metal / wood / textile, made by Elliott Brothers and Troughton and Simms, London, England, 1853-1873, used at Sydney Observatory, New South Wales, Australia, 1858-1917


2010/1/3 Telescope, gun sighting, Naval, G.A.100, in purpose built wooden box, metal / glass / rubber / wood, made by the British Optical Company, United Kingdom, c. 1940


2010/1/7 Telescopes, bearing (2), No.10, Mk I,and No. 14, Mk II, and eyepiece part, metal / glass, unknown maker, 1942