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Boat's liquid compass and binnacle
Boat's liquid compass
Bowl: Diameter 5.5" (14.0 cm) Brown plastic, filler plug at side, expansion chamber at base. Inside of bowl brown plastic with two lubber lines carried on white plastic strips attached to side of bowl. Corrector magnets are fitted at centre of verge glass and also a plastic azimuth sight, having open sights (the fore sight is a frame with sighting thread, the rear sight is a simple slit) a shadow pin is mounted at centre. Monted in black painted brass gimbal ring 6.25" (16 cm) in diameter.
Card: Diameter 3.9" (10.0 cm) white plastic annular ring with black markings, graduated to 360 degrees. Attached by four plastic struts to a small plastic float.
Needle: Unsighted
Pivot: Unsighted
Binnacle: Diameter 9.25" (23.5 cm) Brown plastic fitted with correctors of the scissor type in base and thin pieces of soft iron for correcting quadrantal deviation. Fitted with a brown plastic hood having a circular glazed aperture with cover and shutters. Hood fitted with an electric lamp.
O.A. Height 12.4" (31.5 cm)
Bowl: Diameter 5.5" (14.0 cm) Brown plastic, filler plug at side, expansion chamber at base. Inside of bowl brown plastic with two lubber lines carried on white plastic strips attached to side of bowl. Corrector magnets are fitted at centre of verge glass and also a plastic azimuth sight, having open sights (the fore sight is a frame with sighting thread, the rear sight is a simple slit) a shadow pin is mounted at centre. Monted in black painted brass gimbal ring 6.25" (16 cm) in diameter.
Card: Diameter 3.9" (10.0 cm) white plastic annular ring with black markings, graduated to 360 degrees. Attached by four plastic struts to a small plastic float.
Needle: Unsighted
Pivot: Unsighted
Binnacle: Diameter 9.25" (23.5 cm) Brown plastic fitted with correctors of the scissor type in base and thin pieces of soft iron for correcting quadrantal deviation. Fitted with a brown plastic hood having a circular glazed aperture with cover and shutters. Hood fitted with an electric lamp.
O.A. Height 12.4" (31.5 cm)
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Object Details
| ID: | ACO0525 |
|---|---|
| Type: | Boat's liquid compass and binnacle |
| Display location: | Not on display |
| Creator: | Askaniawerke AG |
| Date made: | circa 1944 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 310 mm x 240 mm x 240 mm |
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