Glass scale division demonstration, British, 1919-1922

Made:: 1918-1922 in London

designer:: E. R. Watts & Son

Museum demonstration of glass disc marked with circular

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Museum demonstration of glass disc marked with circular
Science Museum Group
© The Board of Trustees of the Science Museum

Museum demonstration of glass disc marked with circular division scale and viewing telescope, by E. R. Watts & Son, London, England, 1918-1922.

Details

Category:: Surveying

Object Number:: 1946-218

Materials:: acrylic, glass, brass (copper, zinc alloy) and steel (metal)

Measurements:: overall: 346 mm x 140 mm x 105 mm, .735kg

type:: angular scale - component and model - representation

credit:: The Rank Group Plc

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Glass scale division demonstration, British, 1919-1922

Details

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