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Type O.2
Liquid compass-"Courageous" type
Bowl: Brass painted grey. Held in white metal holder. Black on inside with metal lubber spike. Fill hole unsighted. Tripod attachment at base.
Card: Small white strip marked in black, graduated to 360 degrees and to four cardinal points. Eight damper arms. Black float at centre.
Needle: Two needles slung beneath card.
Pivot: Unsighted
Azimuth Circle: Has lock and spirit level. Prism and reflector mirror. wire lubber runs across glass. Has light bulb holder. Clips onto verge.
Bowl: Brass painted grey. Held in white metal holder. Black on inside with metal lubber spike. Fill hole unsighted. Tripod attachment at base.
Card: Small white strip marked in black, graduated to 360 degrees and to four cardinal points. Eight damper arms. Black float at centre.
Needle: Two needles slung beneath card.
Pivot: Unsighted
Azimuth Circle: Has lock and spirit level. Prism and reflector mirror. wire lubber runs across glass. Has light bulb holder. Clips onto verge.
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Object Details
| ID: | ACO0349 |
|---|---|
| Type: | Liquid compass - aircraft |
| Display location: | Not on display |
| Creator: | Air Ministry |
| Date made: | 1935 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 140 mm; Diameter: 165 mm |