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protractor, circular surveyor's
Protractor, circular surveyor's with rotating arm. Brass frame. Silver scale and vernier. Scale reads to 30' of arc. Vernier reads to 1' of arc.
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Object Details
| ID: | NAV0577 |
|---|---|
| Type: | protractor, circular surveyor's |
| Display location: | Not on display |
| Creator: | Cary |
| Vessels: | Great Eastern (1858) |
| Date made: | circa 1825 |
| People: | Moriarty, Henry Augustus |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 10 mm x 270 mm x 170 mm |