Douglas type reflecting protractor, British, 1811-1825
- maker:
- Howard Douglas and Cary family
This image is released under a CC BY-NC-SA 4.0
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Science Museum Group
© The Board of Trustees of the Science Museum
Douglas type reflecting protractor without caseby the Cary family, London, England, 1811-1825.
Details
- Category:
- Surveying
- Object Number:
- 1901-75
- Materials:
- brass (copper, zinc alloy) and glass
- Measurements:
-
overall: 37 mm x 155 mm x 110 mm, .305kg
- type:
- protractor
- credit:
- Robottom, L.M.
