Aircraft bubble sextant.

Bubble sextant probably made by Henry Hughes and Son Ltd

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Bubble sextant probably made by Henry Hughes and Son Ltd
Science Museum Group
© The Board of Trustees of the Science Museum

Bubble sextant probably made by Henry Hughes and Son Ltd, London, about 1941. Marked on the left side of the casing: [crown] | A.M. | Bubble Sextant | Mark IXA | Ref. N° 6B/218 | Brit. Pats | 480112 490621 | and pending. Marked on the left side of the casing: Serial N° 485/41. Marked on the averager: [crown] | A M | Serial n° 3965/41. Black crackle-lacquered alloy casing incorporating artificial materials, housing optical equipment, a clockwork averaging mechanism, electrical equipment, and a rubber eyecup. Three shades (all red). No box.

Details

Category:
Farnborough
Object Number:
1993-1952
Materials:
aluminium alloy & glass & rubber & brass
type:
bubble sextant and aircraft sextant
credit:
RAF Farnborough