Dry compass
Card- Clear mica and carries a narrow rim of green paper, graduated to 360 degs. A strip of green paper runs across card carrying makers name.
Needle- Flat bar type, 6.25" (15.9cm) long, with painted ends. A line is engraved along centre of upper surface for sitting it true to the graduations. A hole is provided at centre to accommodate pivot cap.
Needle- Flat bar type, 6.25" (15.9cm) long, with painted ends. A line is engraved along centre of upper surface for sitting it true to the graduations. A hole is provided at centre to accommodate pivot cap.
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Object Details
ID: | ACO0919 |
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Type: | Dry compass |
Display location: | Not on display |
Creator: | Thomas Jones & Son |
Date made: | 1832 |
Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
Measurements: | Overall: 2 mm; Diameter: 157 mm |
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