Glass scale division demonstration, British, 1919-1922
- designer:
- E. R. Watts & Son
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LicenseMuseum 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
- credit:
- The Rank Group Plc
