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Type O.2
Liquid compass
Bowl: Brass. Glazed. Fill hole at side. Held in brass bowl holder. White on inside with black lubber spike. Set on brass pillar with locking screw and holes for compensating magnets.
Card: White with black markings graduated to 360 degrees and to 4 cardinal points. eight damper arms. Dome float at centre.
Nedle: Two nedles slung beneath card.
Pivot: Unsighted
Azimuth circle: Has locking arm and spirit level. Sight consists of adjustable prism, jet reflector and two filters. Circle held to verge by three screws.
Bowl: Brass. Glazed. Fill hole at side. Held in brass bowl holder. White on inside with black lubber spike. Set on brass pillar with locking screw and holes for compensating magnets.
Card: White with black markings graduated to 360 degrees and to 4 cardinal points. eight damper arms. Dome float at centre.
Nedle: Two nedles slung beneath card.
Pivot: Unsighted
Azimuth circle: Has locking arm and spirit level. Sight consists of adjustable prism, jet reflector and two filters. Circle held to verge by three screws.
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Object Details
| ID: | ACO0345 |
|---|---|
| Type: | Liquid compass - aircraft |
| Display location: | Not on display |
| Creator: | Air Ministry |
| Date made: | 1924 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 273 mm x 175 mm x 165 mm |