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Boat's liquid compass and binnacle
Boat's liquid compass
Bowl: A brass bowl with a heavy metal weight at the base. There is a filler plug and expansion chamber. The interior of the bowl is white with a black horizontal lubber spike. Set in gimbals that are attached to the binnacle.
Card: A reduced diameter card. Mica painted white with black markings graduated to quarter points.
Needle: Unsighted.
Pivot: Unsighted.
Binnacle: A brass binnacle with a flange, containing screw holes, at the base. It also has a gimbal stop mechanism on the side. The detachable hood has one sealed window and on the side an oil lamp for illumination of the card. Diameter 7.5" (19 cm)
O.A. height 10.5" (26.7 cm)
Bowl: A brass bowl with a heavy metal weight at the base. There is a filler plug and expansion chamber. The interior of the bowl is white with a black horizontal lubber spike. Set in gimbals that are attached to the binnacle.
Card: A reduced diameter card. Mica painted white with black markings graduated to quarter points.
Needle: Unsighted.
Pivot: Unsighted.
Binnacle: A brass binnacle with a flange, containing screw holes, at the base. It also has a gimbal stop mechanism on the side. The detachable hood has one sealed window and on the side an oil lamp for illumination of the card. Diameter 7.5" (19 cm)
O.A. height 10.5" (26.7 cm)
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Object Details
| ID: | ACO0198 |
|---|---|
| Type: | Boat's liquid compass and binnacle |
| Display location: | Not on display |
| Creator: | Whyte Thomson Ltd |
| Date made: | 1914-18; 1914-1918 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 267 mm x 255 mm x 220 mm |