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Submarine liquid compass
Bowl- Black painted brass, filler plug at side, expansion chamber at base under balancing weight. Inside of bowl painted white with four black lubber lines painted on side. Mounted in a black painted brass gimbal ring 6.75" (17.2cm) dia. Attached by two black painted brass "L" brackets to the wooden base upon which ACO 541 is mounted.
Card- Dia. 4,5" (11.4cm) White painted mica (?) with black markings, graduated to 1/4 points and to 360 degs. Attached to a large white float at centre.
Needle- Four needles of circular section are mounted on a framework below card and float.
Pivot-Unsighted
Card- Dia. 4,5" (11.4cm) White painted mica (?) with black markings, graduated to 1/4 points and to 360 degs. Attached to a large white float at centre.
Needle- Four needles of circular section are mounted on a framework below card and float.
Pivot-Unsighted
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Object Details
| ID: | ACO0493 |
|---|---|
| Type: | Submarine liquid compass |
| Display location: | Not on display |
| Creator: | T. S. & J. D. Negus; E. S. Ritchie & Sons |
| Date made: | 1915 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 870 mm x 550 mm x 420 mm x 21 kg |
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