Aircraft bubble sextant.
- maker:
- Henry Hughes and Son Limited
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Bubble sextant probably made by Henry Hughes and Son Ltd, London, about 1943. Marked on the left side of the casing: [broad anchor] | Bubble Sextant | Mark IX AM BM | Ref N° 6B/312 313 | Brit. Pats | 480112 490621. | and pending [and] Mod. Inst. 13/55. Marked on the left side of the casing: Serial N° 12817/43. Scale from 0° to 80° every 1°. Vernier to 1'. Black-crackle-lacquered alloy casing incorporating artificial materials, housing optical equipment, a clockwork averaging mechanism, electrical equipment , and two rubber eyecups. Three shades (all red). No box or case.
Details
- Category:
- Farnborough
- Object Number:
- 1993-1957
- Materials:
- aluminium alloy & plastic & rubber
- type:
- bubble sextant and aircraft sextant
- credit:
- RAF Farnborough
