Powerhouse Museum Collection Search 2.53
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+ Ammeters
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Subject search results for "Measurement"
Showing 238 objects

2008/187/19 Condenser box, model 74106B, metal / plastic / leather, made by Standard Telephones and Cables Ltd, London, England, [1960-1970], used by Telecom Laboratory Services, Strathfield, New South Wales, Australia, c. 1960-1990 2008/187/19 Condenser box, model 74106B, metal / plastic / leather, made by Standard Telephones and Cables Ltd, London, England, [1960-1970], used by Telecom Laboratory Services, Strathfield, New South Wales, Australia, c. 1960-1990


2008/187/1 Analogue ammeter, portable precision pivoted-coil meter-type, metal / wood / glass / paper / cardboard, made by Elliot, Siemens Bros & Co Ltd, London, England, 1944, used by Telecom Laboratory Services, Strathfield, New South Wales, Australia, 2008/187/1 Analogue ammeter, portable precision pivoted-coil meter-type, metal / wood / glass / paper / cardboard, made by Elliot, Siemens Bros & Co Ltd, London, England, 1944, used by Telecom Laboratory Services, Strathfield, New South Wales, Australia,


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


H8547 Analytical balance in glass case with instructions, wood/metal/glass/paper, Paul Bunge, [Germany], 1934 H8547 Analytical balance in glass case with instructions, wood/metal/glass/paper, Paul Bunge, [Germany], 1934


B2001 Analytical balance, timber / glass / brass / ivory / agate, L Oertling, London, England, date unknown. B2001 Analytical balance, timber / glass / brass / ivory / agate, L Oertling, London, England, date unknown.


H10254 Aneroid barometer, metal / ceramic / glass, made by J H Steward Limited, London, England, 1885-1895 H10254 Aneroid barometer, metal / ceramic / glass, made by J H Steward Limited, London, England, 1885-1895


2010/31/1 Set of assaying equipment, weights (8) and wooden storage box, portable balance and wooden storage box, metal / glass / wood, made by L Oertling Ltd / W & T Avery Ltd, London, England, c. 1860 2010/31/1 Set of assaying equipment, weights (8) and wooden storage box, portable balance and wooden storage box, metal / glass / wood, made by L Oertling Ltd / W & T Avery Ltd, London, England, c. 1860


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


2002/109/1 Baby scales (1) and weights (11), cast iron / metal / cane / paint, made by W & T Avery Ltd, England, United Kingdom, distributed by Australasian Scale Co Ltd, Australia, c. 1935 2002/109/1 Baby scales (1) and weights (11), cast iron / metal / cane / paint, made by W & T Avery Ltd, England, United Kingdom, distributed by Australasian Scale Co Ltd, Australia, c. 1935


A8615 Measuring beaker, 4 fl oz, glass, Crown Crystal Glass, Australia, 1920s.


H9971 Beam balance, H9971 Beam balance, 'Microid', in case, with set of weights, metal/wood/glass/Bakelite/fabric, used at Sydney Observatory, made by Griffin and Tatlock Ltd, England, 1942-1958.


2007/127/44 Booklet, 2007/127/44 Booklet, 'London Men's Fashion', paper / metal, made by Dormeuil, England, used by Ron Gillman, Wagga Wagga, New South Wales, Australia, 1960-1970


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


2010/1/260 Adams Micro-Hematocrit Reader, metal / plastic, made by Clay Adams Inc, New York, United States of America, 1960-1985


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


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


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


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


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


2010/1/521 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


2010/1/186 Planimeter with case and instruction booklet, zero-setting compensating, metal / plastic / glass / paper / polyurethane, Tamaya Technics Inc, Tokyo, Japan, mid-20th century.


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


H4596 Calculator, H4596 Calculator, 'Abridger', leatherette / paper / wood, designed and made by V W Leivesley, Australia, 1944


B855 Gunner B855 Gunner's calculators (2), designed by V W Leivesley, made by Army Inventions Directorate, Australia, 1940-1942


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


2010/1/291 Clinometer with case, Austen Universal, wood / metal, maker unknown, mid 20th century


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


H10024 Sighting compass in wooden case and related document, metal / glass / wood / paper, maker unknown, 1895-1905, used at Sydney Observatory, Sydney, New South Wales, Australia H10024 Sighting compass in wooden case and related document, metal / glass / wood / paper, maker unknown, 1895-1905, used at Sydney Observatory, Sydney, New South Wales, Australia


92/115 Screw thread comparator, components contained in a box and a stand, used at Cockatoo Island Dockyards, plastic/metal/wood, Ovee Spring Gauges Ltd, Edgware, Middlesex, England, 1952 92/115 Screw thread comparator, components contained in a box and a stand, used at Cockatoo Island Dockyards, plastic/metal/wood, Ovee Spring Gauges Ltd, Edgware, Middlesex, England, 1952


2008/174/2 Alternating current stabiliser, metal / plastic / glass, made by H Tinsley & Co Ltd, London, England, c. 1948-1970, used by Defence Standards Laboratory, Adelaide, South Australia, c. 1950-1977, and CSIRO, Woodville North, South Australia, c. 1 2008/174/2 Alternating current stabiliser, metal / plastic / glass, made by H Tinsley & Co Ltd, London, England, c. 1948-1970, used by Defence Standards Laboratory, Adelaide, South Australia, c. 1950-1977, and CSIRO, Woodville North, South Australia, c. 1


2010/1/226 Bevel protractor with case, metal / wood / fabric, made by Moore and Wright (Sheffield) Ltd, England, late 20th century


2010/1/114 Parallel rule, metal, maker unknown, early 20th century


2010/1/168 Drawing scales with packaging, Polytechnic Technical Scales, cardboard, designed by C F Mitchell, made by Cassell & Company Ltd. London. England, 1900-1910 2010/1/168 Drawing scales with packaging, Polytechnic Technical Scales, cardboard, designed by C F Mitchell, made by Cassell & Company Ltd. London. England, 1900-1910


2010/1/167 Scale rules with case, engine-divided, wood / metal, various makers, c. 1940


2010/1/183 Proportional dividers, bombing run navigation, brass, made by Stanley for the Air Ministry, London, England, 1930-1945


2002/115/1 Electric current measuring instruments (5) & electric current control apparatus (2) used by Parnell Rabbidge, paper / metal / timber / glass / rubber, Parnell Rabbidge and other makers, USA / UK & Australia, 1886 - 1935 2002/115/1 Electric current measuring instruments (5) & electric current control apparatus (2) used by Parnell Rabbidge, paper / metal / timber / glass / rubber, Parnell Rabbidge and other makers, USA / UK & Australia, 1886 - 1935


2007/169/1 Galvanometer, reflecting D 2007/169/1 Galvanometer, reflecting D'Arsonval type, metal / wood / plastic / glass, made by Leeds & Northrup, Pittsburgh, Philadelphia, United States of America, 1938-1946


88/289-194 Photographic glass plate negative, flanged liquid measuring instrument, Clyde Engineering Pty Ltd, Australia, 1900-1940 88/289-194 Photographic glass plate negative, flanged liquid measuring instrument, Clyde Engineering Pty Ltd, Australia, 1900-1940


H10030 Astronomical equipment, glass slides (24) in wooden box, glass / paper / wood, made by Yerkes Observatory, Williams Bay, Wisconsin, United States of America, 1904-1919, used at Sydney Observatory, Sydney, New South Wales Australia, 1919-1930 H10030 Astronomical equipment, glass slides (24) in wooden box, glass / paper / wood, made by Yerkes Observatory, Williams Bay, Wisconsin, United States of America, 1904-1919, used at Sydney Observatory, Sydney, New South Wales Australia, 1919-1930


2010/1/185 Hydrometer with case, Sikes', brass / glass / wood / fabric / bone, made by J J Hicks, London, England, late 19th century


H7507 Inclinometer, (also called dip circle or dipping compass), metal / wood / glass, made by Gambey à Paris, Paris, France, [1815-1818] H7507 Inclinometer, (also called dip circle or dipping compass), metal / wood / glass, made by Gambey à Paris, Paris, France, [1815-1818]


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


K1383 Kitchen scales, cast-iron / tinplate, made by M P Product, Australia, 1930-1950 K1383 Kitchen scales, cast-iron / tinplate, made by M P Product, Australia, 1930-1950


K1096 Kitchen scales, enamelled iron, made by Metters Ltd, Melbourne, Victoria, Australia, 1930-1940 K1096 Kitchen scales, enamelled iron, made by Metters Ltd, Melbourne, Victoria, Australia, 1930-1940


H9537 Kitchen scales, H9537 Kitchen scales, 'No. 33P', metal / plastic, made by Salter, England, 1945-1955


95/322/1 Map, for devices measuring great circle distances from Sydney, paper, Mullard-Australia Pty Ltd, Australia, 1966 95/322/1 Map, for devices measuring great circle distances from Sydney, paper, Mullard-Australia Pty Ltd, Australia, 1966


2009/80/5 Measuring bridge, metal / plastic / wood / glass / leatherette / electronic components, made by Mullard Radio Company (Aust) Ltd, Australia, 1939 2009/80/5 Measuring bridge, metal / plastic / wood / glass / leatherette / electronic components, made by Mullard Radio Company (Aust) Ltd, Australia, 1939


2003/132/11 Measuring glass, for medicine, glass, maker unknown, [1940-1970] 2003/132/11 Measuring glass, for medicine, glass, maker unknown, [1940-1970]


92/118 Microptic measuring machines (2), horizontal and vertical pattern and components, metal/glass/plastic/wood, Hilger and Watts Ltd, London, P.V.E, Woolwich, England, 1954 92/118 Microptic measuring machines (2), horizontal and vertical pattern and components, metal/glass/plastic/wood, Hilger and Watts Ltd, London, P.V.E, Woolwich, England, 1954


H10040 Spherometer in box, metal / wood, maker unknown, [England], 1917-1941, used at Sydney Observatory, Sydney New South Wales, Australia H10040 Spherometer in box, metal / wood, maker unknown, [England], 1917-1941, used at Sydney Observatory, Sydney New South Wales, Australia


86/4103 An acetometer with box, made by Joseph Long, 20 Little Tower Street, London, England, 1820-1860 86/4103 An acetometer with box, made by Joseph Long, 20 Little Tower Street, London, England, 1820-1860


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


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


2010/1/176 Polar planimeter in case, Allbrit, steel, /plastic / glass / leatherette, W.F. Stanley, London, mid-20th century.


2010/1/174 Planimeter with case, Coffin's Patent, stainless steel / wood, made by the Ashcroft Manufacturing Company, United States of America, 1882-1910


2010/1/173 Planimeter with case, Amsler bow type, stainless steel / leatherette, made by the American Steam Gauge Company, Boston, Massachusetts, United States of America, late 19th century


H4405 Calibrated tube, plastic, made by the Commonwealth Moulding Pty Ltd, Australia, 1941 H4405 Calibrated tube, plastic, made by the Commonwealth Moulding Pty Ltd, Australia, 1941


2008/187/14 Low inductance ratio resistance box, plug-type, metal / wood / plastic, made by H W Sullivan Ltd, London, England, 1960, used by Telecom Laboratory Services, Strathfield, New South Wales, Australia, c. 1960-1990 2008/187/14 Low inductance ratio resistance box, plug-type, metal / wood / plastic, made by H W Sullivan Ltd, London, England, 1960, used by Telecom Laboratory Services, Strathfield, New South Wales, Australia, c. 1960-1990


2007/127/4 Tailor 2007/127/4 Tailor's ell stick, wood, made by J Rabone & Sons, Birmingham, West Midlands, England, used by Ron and Maxwell Gillman, Wagga Wagga, New South Wales, Australia, 1918-2003


H10140 Optical instrument, for measurement of astronomical photograph plates, metal / glass / wood, used at Sydney Observatory, designed by H H Turner, made by Troughton and Simms, London, England, 1892-1915 H10140 Optical instrument, for measurement of astronomical photograph plates, metal / glass / wood, used at Sydney Observatory, designed by H H Turner, made by Troughton and Simms, London, England, 1892-1915


H10183 Optical instrument, for measurement of astronomical photograph plates, metal / glass used at Sydney Observatory, made by H Yeates, Melbourne, Victoria, Australia, 1940-1949 H10183 Optical instrument, for measurement of astronomical photograph plates, metal / glass used at Sydney Observatory, made by H Yeates, Melbourne, Victoria, Australia, 1940-1949


H10139 Optical instrument, for measurement of astronomical photographs, metal / glass / wood, used at Sydney Observatory, designed by H H Turner, made by Troughton and Simms, London, England, 1892 - 1915 H10139 Optical instrument, for measurement of astronomical photographs, metal / glass / wood, used at Sydney Observatory, designed by H H Turner, made by Troughton and Simms, London, England, 1892 - 1915


H10028 Surveying instrument, folding arm protractor in case, brass / glass / wood / textile, made by Edward Esdaile, Sydney, New South Wales, 1919-1941, used at Sydney Observatory, Australia, 1919-1958 H10028 Surveying instrument, folding arm protractor in case, brass / glass / wood / textile, made by Edward Esdaile, Sydney, New South Wales, 1919-1941, used at Sydney Observatory, Australia, 1919-1958


2006/122/1 Power factor meter, metal / plastic / glass / paper, made by Metropolitan-Vickers, Manchester, England, 1938 2006/122/1 Power factor meter, metal / plastic / glass / paper, made by Metropolitan-Vickers, Manchester, England, 1938


H9905 Microscope plate reader, binocular, with box and accessories, metal / glass / wood / felt, made by Nachet et Fils, Paris, France, and Flavelle Brothers, Sydney, Australia, [1917-1930], used by Sydney Observatory, New South Wales, Australia, [1917-19 H9905 Microscope plate reader, binocular, with box and accessories, metal / glass / wood / felt, made by Nachet et Fils, Paris, France, and Flavelle Brothers, Sydney, Australia, [1917-1930], used by Sydney Observatory, New South Wales, Australia, [1917-19


2010/1/284 Electro-mechanical analogue computer, Bombsight Computer Mk X72A, metal, maker unknown, c. 1935-1945


2010/1/293 Rangefinder, Optical Coincidence, metal / glass, made by Adam Hilger Ltd, England, c. 1930-1940


2010/1/122 Field plotter Mk IV with case, metal / wood, made by WIBROC Manufacturing. Company, Sydney, New South Wales, Australia, 1942 2010/1/122 Field plotter Mk IV with case, metal / wood, made by WIBROC Manufacturing. Company, Sydney, New South Wales, Australia, 1942


2010/1/295 Rangefinder converter, wood / metal / plastic, maker unknown, c. 1930-1949


2010/1/294 Rangefinder converters (2), metal / masonite, made by E E & S, England, 1942


2010/1/285 Analogue computer, Anti-Aircraft Predictor, Vickers No.1 Mk III, metal / glass, designed by Vickers Limited, England, 1924, made by Sperry Gyroscope, United States of America, 1942


93/122/12D Hat stretcher, mens, aluminium, maker unknown, Europe / Australia, used by McDougall Bros, Australia, 1940-1950 93/122/12D Hat stretcher, mens, aluminium, maker unknown, Europe / Australia, used by McDougall Bros, Australia, 1940-1950


2010/1/184 Optical calibration device with case and cleaning cloth, neutral density contrast gauge, Bakelite / glass / rubber / cotton, made by Casella London for Air Ministry Meteorological Office, England, c.1940s


2008/128/1 Optical flat, with case, glass / leather / velvet / metal, possibly made by Lensmaster, Illinois, United States of America, c. 1960, used by Ross Simpson Engineering, Sydney, New South Wales, Australia, 1963-2007 2008/128/1 Optical flat, with case, glass / leather / velvet / metal, possibly made by Lensmaster, Illinois, United States of America, c. 1960, used by Ross Simpson Engineering, Sydney, New South Wales, Australia, 1963-2007


2008/128/2 Optical flat, with case, glass / leather / velvet / metal, made by Lapmaster, c. 1960, used by Ross Simpson Engineering, Sydney, New South Wales, Australia, 1963-2007 2008/128/2 Optical flat, with case, glass / leather / velvet / metal, made by Lapmaster, c. 1960, used by Ross Simpson Engineering, Sydney, New South Wales, Australia, 1963-2007


H10029 Photographic plate holders (2), metal, used at and made by Sydney Observatory, Sydney, New South Wales, Australia, date unknown H10029 Photographic plate holders (2), metal, used at and made by Sydney Observatory, Sydney, New South Wales, Australia, date unknown


89/1363 Photometer head, used at Mt Stromlo Observatory, wood/metal/glass, H.L. Johnson/ Ben Gascoigne, Australia, [1957]


2010/1/298 Planimeter with Amlser integrator and case, Special Purpose, wood / metal, made by Stanley of London, England, 1880-1900


2010/1/299 Planimeter/integrator in case, metal / wood, maker unknown, 1920


89/1360 Polarimeter / photometer in case and technical drawing, from Mt Stromlo Observatory, wood / metal / glass / plastic / paper, S.C.B. (Ben) Gascoigne, Australia, 1963 89/1360 Polarimeter / photometer in case and technical drawing, from Mt Stromlo Observatory, wood / metal / glass / plastic / paper, S.C.B. (Ben) Gascoigne, Australia, 1963


2008/187/3 Precision vernier potentiometer, type P10, with leaflets (2) and folders (2) of calibration records, metal / Bakelite / wood / plastic / paper, made by Croydon Precision Instrument Co (CROPICO), England, 1960, used by Telecom Laboratory Service 2008/187/3 Precision vernier potentiometer, type P10, with leaflets (2) and folders (2) of calibration records, metal / Bakelite / wood / plastic / paper, made by Croydon Precision Instrument Co (CROPICO), England, 1960, used by Telecom Laboratory Service


99/20/1 Pressure gauge, portable recording, metal / glass / paint, used at Ultimo and White Bay Power Stations, Sydney, made by Foxboro-Yoxall Ltd / Alfred Snashall Pty Ltd, London, England / Sydney, New South Wales, 1934-1947


2010/1/198 Ruler, VARI-VUE Lumber Computing Chart, plastic, maker unknown, 1940-1970


92/1284 High range beta-gamma radiation meter, metal, made by Victoreen Instruments Co, Cleveland, Ohio, United States of America, [1955-1965] 92/1284 High range beta-gamma radiation meter, metal, made by Victoreen Instruments Co, Cleveland, Ohio, United States of America, [1955-1965]


2005/122/1 Radiation monitoring equipment, electronic components / metal / plastic, made by Philips, [Australia], 1950-1980


H7354 Rain gauge (pluviograph), wood / brass / galvanised iron / glass, made and used by Sydney Observatory, Sydney, New South Wales, Australia, 1860-1900 H7354 Rain gauge (pluviograph), wood / brass / galvanised iron / glass, made and used by Sydney Observatory, Sydney, New South Wales, Australia, 1860-1900


85/1913 Rain gauges (2), measuring cylinders, glass, made by Angelo Tornaghi, used at Sydney Observatory, New South Wales, Australia, 1861-1900 85/1913 Rain gauges (2), measuring cylinders, glass, made by Angelo Tornaghi, used at Sydney Observatory, New South Wales, Australia, 1861-1900


99/25/1 Recording thermometer, self-registering thermometer, metal / glass / paper, made by Seth Thomas / The Draper Manufacturing Company, New York, United States of America, 1887-1907 99/25/1 Recording thermometer, self-registering thermometer, metal / glass / paper, made by Seth Thomas / The Draper Manufacturing Company, New York, United States of America, 1887-1907


H10012 Sidereal regulator clock, Shortt Number 49, master and slave units, glass / metal / wood / wire / paper, designed by William H Shortt, made by the Synchronome Company Limited, London, England, 1931-1942, used at the Greenwich Observatory, London, E H10012 Sidereal regulator clock, Shortt Number 49, master and slave units, glass / metal / wood / wire / paper, designed by William H Shortt, made by the Synchronome Company Limited, London, England, 1931-1942, used at the Greenwich Observatory, London, E


H10373 Reseau printer, photographic dark slide and reseau for astronomical photographs, glass / metal / wood / leather, used at the Sydney and Melbourne Observatory, 1885-1915 H10373 Reseau printer, photographic dark slide and reseau for astronomical photographs, glass / metal / wood / leather, used at the Sydney and Melbourne Observatory, 1885-1915


H10271 Reseau plate for measuring astronomical photographs, glass / silver / wood, used at the Sydney and Melbourne Observatory, made by P Gautier, France, 1887-1891 H10271 Reseau plate for measuring astronomical photographs, glass / silver / wood, used at the Sydney and Melbourne Observatory, made by P Gautier, France, 1887-1891


H10270 Optical equipment, 15 Reseaux plates for measuring astronomical photographs, glass / silver / asphalt / wood / textile, used at the Sydney and Melbourne Observatories, made by P Gautier and Melbourne Observatory, France and Melbourne, Victoria, Aus H10270 Optical equipment, 15 Reseaux plates for measuring astronomical photographs, glass / silver / asphalt / wood / textile, used at the Sydney and Melbourne Observatories, made by P Gautier and Melbourne Observatory, France and Melbourne, Victoria, Aus


H10272 Reseau in case, glass / metal / leather / textile, used at Sydney Observatory, made by Hilger and Watts Limited, London, England, 1952 H10272 Reseau in case, glass / metal / leather / textile, used at Sydney Observatory, made by Hilger and Watts Limited, London, England, 1952


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


2010/1/443 Ironmonger 2010/1/443 Ironmonger's ruler with sliding caliper, tri-fold, wood / metal, made by J Rabone and Sons, England, 1878-1900


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


H10057 Navigational equipment, sextant in case, brass / glass / wood, made for E. Esdaile, London, England, 1896-1916, used at Sydney Observatory, New South Wales, Australia, 1896-1922 H10057 Navigational equipment, sextant in case, brass / glass / wood, made for E. Esdaile, London, England, 1896-1916, used at Sydney Observatory, New South Wales, Australia, 1896-1922


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


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


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


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


2010/1/510 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


2010/1/397 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


2010/1/424 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


2010/1/262 Slide chart, duplex, Assab Weight Calculator, paper, made by Associated Swedish Steels (Aust.) Pty Ltd, Australia, 1961-1965.


2010/1/263 Slide chart card, duplex, Balfour Tool Steels Properties Indicator, paper, made by The Eagle & Globe Steel Co Ltd, a member of Balfour & Darwin Ltd, Australia, 1961-1970


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


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


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


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


2010/1/435 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


2010/1/495 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


2010/1/439 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


2010/1/515 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


2010/1/264 Slide chart, card, duplex, Connollys Winding Wire Indicator, paper, made by Connollys (Blackley) Limited, Australia, 1960-1965


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


2010/1/449 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


2010/1/388 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


2010/1/393 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


2010/1/389 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


2010/1/390 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


2010/1/406 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


2010/1/269 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


2010/1/440 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


2010/1/512 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


2010/1/523 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


2010/1/519 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


2010/1/529 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


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


2010/1/486 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


2010/1/483 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


2010/1/530 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


2010/1/411 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


2010/1/517 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.


2010/1/494 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


2010/1/496 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


2010/1/123 Circular slide rule, Height and Airspeed Computer Mark IA, metal, made by British Metal Engraving Company Ltd, United Kingdom, after 1940


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


2010/1/432 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


2010/1/436 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


2010/1/487 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


2010/1/396 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


2010/1/395 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


2010/1/412 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


2010/1/444 Slide rule, Textiles, closed frame, single-sided, boxwood / brass, made by E Preston & Sons, Birmingham, England, 1900-1930 2010/1/444 Slide rule, Textiles, closed frame, single-sided, boxwood / brass, made by E Preston & Sons, Birmingham, England, 1900-1930


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


2010/1/506 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


2010/1/267 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


2010/1/399 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


2010/1/423 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


2010/1/407 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


2010/1/425 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


2010/1/312 Closed frame dual slide rule, Pickworth 2010/1/312 Closed frame dual slide rule, Pickworth's Patent Cotton Cloth Computer, celluloid laminate / wood, made by C N Pickworth, England, early-20th century


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


2010/1/507 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


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


2010/1/490 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


2010/1/416 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


2010/1/420 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


2010/1/430 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


2010/1/492 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


2010/1/408 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


2010/1/413 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


2010/1/497 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


2010/1/350 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


2010/1/421 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


2010/1/525 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


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


2010/1/526 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


2010/1/437 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


2010/1/493 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


2010/1/434 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


2010/1/401 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


89/1343 Slide rule, Thomlinson 89/1343 Slide rule, Thomlinson 'Equivalent', lacquered timber, designed and made by J Thomlinson Ltd., Scotland, 1940


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


2010/1/417 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


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


2010/1/445 Artillery slide rule with case, duplex, open frame, metal / xylonite laminate / wood / glass, made by W & G (White and Gillespie), Melbourne, Victoria, Australia, 1945 2010/1/445 Artillery slide rule with case, duplex, open frame, metal / xylonite laminate / wood / glass, made by W & G (White and Gillespie), Melbourne, Victoria, Australia, 1945


2010/1/447 Slide rule with case, Dualface Model 432, duplex, open frame, metal / xylonite laminate / wood / glass, made by W & G (White and Gillespie), Melbourne, Victoria, Australia, 1950-1975 2010/1/447 Slide rule with case, Dualface Model 432, duplex, open frame, metal / xylonite laminate / wood / glass, made by W & G (White and Gillespie), Melbourne, Victoria, Australia, 1950-1975


2010/1/446 Slide rule, Dualface Model 465, duplex, open frame, metal / xylonite laminate / wood / glass, made by W & G (White and Gillespie), Melbourne, Victoria, Australia, 1950-1975 2010/1/446 Slide rule, Dualface Model 465, duplex, open frame, metal / xylonite laminate / wood / glass, made by W & G (White and Gillespie), Melbourne, Victoria, Australia, 1950-1975


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.


2010/1/498 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


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


2007/127/2 Tailor 2007/127/2 Tailor's new square, wood, made by Vincents, Australia, used by Ron and Maxwell Gillman, Wagga Wagga, New South Wales, Australia, 1918-2003


2007/127/3 Tailor 2007/127/3 Tailor's square, wood / metal, made by J Rabone & Sons, Birmingham, West Midlands, England, used by Ron and Maxwell Gillman, Wagga Wagga, New South Wales, Australia, 1918-2003


2010/1/301 Stereoscope with case and manual, aerotopograph plotting instrument for compiling maps, metal / glass / plastic / wood, made by Zeiss Aerotopograph, Germany, 1950-1960


2010/1/261 Artificial horizon with case, wood / metal / glass / mercury, unknown maker, 1876


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


2007/127/30 Check measure, cotton / paint / metal, maker unknown, England, used by Ron and Maxwell Gillman, Wagga Wagga, New South Wales, Australia, 1918-2003 2007/127/30 Check measure, cotton / paint / metal, maker unknown, England, used by Ron and Maxwell Gillman, Wagga Wagga, New South Wales, Australia, 1918-2003


2007/127/29 Tape measure, cotton / paint / metal, made by Dean, London, England, used by Ron and Maxwell Gillman, Wagga Wagga, New South Wales, Australia, 1918-2003 2007/127/29 Tape measure, cotton / paint / metal, made by Dean, London, England, used by Ron and Maxwell Gillman, Wagga Wagga, New South Wales, Australia, 1918-2003


2008/187/20 2008/187/20 'H' attenuation network, 135 ohms impedance, with calibration reports, metal / wood / plastic / paper, made by V M L Pty Ltd, Melbourne, Victoria, Australia, 1961, used by Telecom Laboratory Services, Strathfield, New South Wales, Australia, c


2005/165/1 Bell prover, metal / paint, made by Parkinson and Cowan, UK or Redfern, New South Wales, Australia, 1930-1950, used by AGL, Sydney, New South Wales, Australia, 1930-2000


2008/187/13 Resistance box, megohm, with calibration reports (6), metal / wood / [Bakelite or ebonite] / paper, possibly made by Constantan, place unknown, c. 1900-1940, used by Telecom Laboratory Services, Strathfield, New South Wales, Australia, c. 1974 2008/187/13 Resistance box, megohm, with calibration reports (6), metal / wood / [Bakelite or ebonite] / paper, possibly made by Constantan, place unknown, c. 1900-1940, used by Telecom Laboratory Services, Strathfield, New South Wales, Australia, c. 1974


2008/187/10 Universal shunt, 10 000 ohms, brass / copper / Bakelite / shellac, made by H Tinsley &, Co, London, England, [1900-1950], used by Telecom Laboratory Services, Strathfield, New South Wales, Australia, c. 1910-1990 2008/187/10 Universal shunt, 10 000 ohms, brass / copper / Bakelite / shellac, made by H Tinsley &, Co, London, England, [1900-1950], used by Telecom Laboratory Services, Strathfield, New South Wales, Australia, c. 1910-1990


H10061 Transit theodolite with accessories and case, surveyors 5", metal / glass / wood, made by Troughton & Simms, London, England, 1860-1915, used at Sydney Observatory, New South Wales, Australia, 1890-1931 H10061 Transit theodolite with accessories and case, surveyors 5", metal / glass / wood, made by Troughton & Simms, London, England, 1860-1915, used at Sydney Observatory, New South Wales, Australia, 1890-1931


H10062 Transit theodolite with accessories and case, surveyors 6 inch, metal / glass / wood, made by Troughton & Simms, London, England, 1860-1915, used at Sydney Observatory, New South Wales, Australia, 1890-1931 H10062 Transit theodolite with accessories and case, surveyors 6 inch, metal / glass / wood, made by Troughton & Simms, London, England, 1860-1915, used at Sydney Observatory, New South Wales, Australia, 1890-1931


H10017 Kerosene testing thermometer in case, glass / mercury / wood, made by Flavelle Brothers, Australia, 1885-1900, used by Sydney Observatory, New South Wales, Australia, 1885-1920 H10017 Kerosene testing thermometer in case, glass / mercury / wood, made by Flavelle Brothers, Australia, 1885-1900, used by Sydney Observatory, New South Wales, Australia, 1885-1920


97/72/2 Thermocouple temperature gauge, metal/ glass/ paint, used at Farmer and Co/ Grace Bros Sydney, Ether Ltd, England, c 1950 97/72/2 Thermocouple temperature gauge, metal/ glass/ paint, used at Farmer and Co/ Grace Bros Sydney, Ether Ltd, England, c 1950


2008/187/2 Analogue voltmeter, portable precision pivoted-coil meter-type, metal / wood / glass / paper / cardboard, made by Elliot, Siemens Bros & Co Ltd, London, England, 1944, used by Telecom Laboratory Services, Strathfield, New South Wales, Australia 2008/187/2 Analogue voltmeter, portable precision pivoted-coil meter-type, metal / wood / glass / paper / cardboard, made by Elliot, Siemens Bros & Co Ltd, London, England, 1944, used by Telecom Laboratory Services, Strathfield, New South Wales, Australia


H6706 Weathervane, ornamental, brass / wood, made by Leslie Williams, Adelaide, South Australia, Australia, 1959 H6706 Weathervane, ornamental, brass / wood, made by Leslie Williams, Adelaide, South Australia, Australia, 1959


B424 Troy weight standards, 2 sets in wooden boxes, NSW Government standard, metal/wood/cloth, De Grave and Company, London, England, pre 1883.


2006/101/1 Weights (3), bronze, maker unknown, Burma, 1800-1885 2006/101/1 Weights (3), bronze, maker unknown, Burma, 1800-1885


B2561 Dead weight pressure gauge tester, metal/glass, Crosby S G & V Co / Westinghouse Brake Australasia Pty Ltd / Bourdon, Boston, USA/ Australia, 1880s B2561 Dead weight pressure gauge tester, metal/glass, Crosby S G & V Co / Westinghouse Brake Australasia Pty Ltd / Bourdon, Boston, USA/ Australia, 1880s