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)

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