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Liquid compass and binnacle
Liquid compass on stand with corrector coils. Inscription on verge ring reads: 'Patt 0919 Compass no. 1699H'.
Bowl: Grey painted brass with filler plug at side and expansion chamber at base with glazed bottom. Inside of bowl painted white. Black lubber line carried on white painted metal strip. Mounted in brass gimbal ring.
Card: Dia 3.75" (9.5 cm). White plastic with black markings, attached to high domed black float at centre. Graduated quadrantally.
Needle: Unsighted.
Pivot: Unsighted, but stem can be seen secured on bridge mounted across base of bowl.
Binnacle: Dia 9" (22.9 cm) Grey painted brass . (Hood missing). Gimbal locking lever fitted at side. Mounted on wood base 1' 8" x 12.25" x 4" (50.8 x 30.8 x 10.1 cm) slotted to accommodate correction spheres. "B" and "HE" corrector coils and two junction boxes attached to baseboard.
O.A. height 15" (38.1 cm)
Bowl: Grey painted brass with filler plug at side and expansion chamber at base with glazed bottom. Inside of bowl painted white. Black lubber line carried on white painted metal strip. Mounted in brass gimbal ring.
Card: Dia 3.75" (9.5 cm). White plastic with black markings, attached to high domed black float at centre. Graduated quadrantally.
Needle: Unsighted.
Pivot: Unsighted, but stem can be seen secured on bridge mounted across base of bowl.
Binnacle: Dia 9" (22.9 cm) Grey painted brass . (Hood missing). Gimbal locking lever fitted at side. Mounted on wood base 1' 8" x 12.25" x 4" (50.8 x 30.8 x 10.1 cm) slotted to accommodate correction spheres. "B" and "HE" corrector coils and two junction boxes attached to baseboard.
O.A. height 15" (38.1 cm)
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Object Details
| ID: | ACO1090 |
|---|---|
| Type: | Liquid compass and binnacle |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1943 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 320 mm x 565 in x 300 in |
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