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User keywords, or 'tags', are words added to object records by other users to enhance their discovery. You can add keywords that may be useful in helping others find this object.

We are experimenting with tagging because sometimes museums describe objects in language that is highly specialist and user added keywords are useful in bridging the 'semantic gap' between the language of the museum and that of the user.

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Related subjects lists the broad themes that have relevance to the object you are viewing. You can click these themes to see other objects related thematically. Related Subjects
+ Service life
+ World War II
+ Mathematics
Here you can find links to other objects in our collection that belong to the same formal classification categories as the object you are viewing. Similar objects
Calculating Instruments > Terrestrial telescopes

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+ B1359 Surveyor's instrument. Telescope, ...


Telescope, Bearing, No.10, Mk I., 1942

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Object statement
Telescopes, bearing (2), No.10, Mk I,and No. 14, Mk II, and eyepiece part, metal / glass, unknown maker, 1942
The Significance Statement summarises why an object is important and places it in a social and cultural context. An object may be significant for various reasons, including: historical use, rarity, design/aesthetics, new technology or changes in society. Statement of significance
This object is part of a collection relating to the history and development of computing and other information technology assembled by Assoc Professor Allan Bromley of Sydney University, comprising of calculators, mechanical and electronic analogue computers, computer components, kit computers, education computers, and associated ephemera.

Allan Bromley was a lecturer and researcher at the University of Sydney Basser Department of Computer Science from 1978 until his untimely death in August 2002. He specialised in Computer Architecture, Computer Logic and in particular the History of Computing. He was regarded as the world authority on Charles Babbage's Calculating Engines (instigating the rebuilt of DE2 at the Science Museum London) and the Ankithera Mechanism and had extensive knowledge on calculators, analogue computers, logic, stereopsis, totalisators, clocks and time keeping and mechanical engineering.
Production Notes include information about the design, manufacture and marketing of an object. Production notes
Unknown
History Notes include facts about what has happened to an object since manufacture. This could include who owned it and how it was used (provenance). It may also describe any cultural meanings with which it may have become associated. History notes
Probably mounted on gun predictors in WWII

 This text content licensed under CC BY-NC.

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

The bearing telescopes sit on a disc of metal that likely is mounted to a gun predictor. On the top of the object is an eyepiece. A metal tube extends out one side of the eyepiece apparatus. On the No 14. Mk II bearing telescope there is a dial for adjusting the viewer.

The eyepiece part is glass in a metal ring.
Made: 1942
Marks
On No I0, Mk I - '1942, Reg No 5169'
The Registration Number of an object is a unique identifying number applied by the museum at the point of acquisition. Current numbering format comprises the year of acquisition, followed by a sequential number. For example, '2007/45' is the Registration Number that represents the 45th acquisition in the year 2007. Registration number
2010/1/7
Production date
1942
Height
120 mm
Width
140 mm

 This text content licensed under CC BY-SA.
Acquisition credit line
Donated in memory of Associate Professor Allan Bromley through the Australian Government's Cultural Gifts Program, 2010
Subjects
+ Service life
+ World War II
+ Mathematics
Short persistent URL
Concise link back to this object: http://from.ph/371685
Cite this object in Wikipedia
Copy and paste this wiki-markup:

{{cite web |url=http://from.ph/371685 |title=Telescope, Bearing, No.10, Mk I. |author=Powerhouse Museum |accessdate=18 June 2013 |publisher=Powerhouse Museum, Australia}}


Copyright
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Object viewed 1119 times. Parent IRN: 1818. Master IRN: 1818 Img: Flv: H:px W:px SMO: RIGHTS:.