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Mark IX
The sextant has a black crackle-lacquered alloy casing with artificial materials. It houses optical equipment, a clockwork averaging mechanism, electrical equipment, and a rubber eyecup. The sextant is incomplete and in a poor condition. It is contained in a fitted Bakelite case.
The sextant has a scale measuring from 0° to 80° by 1°. The sextant has a vernier measuring to 1 arcminutes.
The sextant has a scale measuring from 0° to 80° by 1°. The sextant has a vernier measuring to 1 arcminutes.
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Object Details
| ID: | NAV1895 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Bubble Sextant |
| Display location: | Not on display |
| Creator: | Henry Hughes & Son Limited |
| Date made: | circa 1940 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 240 mm x 200 mm x 180 mm |
| Parts: | Mark IX |