Raper type optical opposite, British, 1824-1834
- designer:
- Raper, Henry
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Science Museum Group
© The Board of Trustees of the Science Museum
Raper optical opposite, unsigned, British, 1824-1834. Designed by British naval officer, Henry Raper
Details
- Category:
- Surveying
- Object Number:
- 1876-1208
- Materials:
- metal (unknown), brass (copper, zinc alloy) and glass
- Measurements:
-
overall: 115 mm x 142 mm x 38 mm, .26kg
- type:
- surveying instrument
- credit:
- Admiralty Hydrographic Department
