Boat's liquid compass

Boat's liquid compass

Bowl: Black painted brass, filler plug at side, expansion chamber at base. Bottom fitted with a heavy metal cover. Inside bowl white with four lubber lines painted on side, the raised verge ring has the lubber lines engraved on it.

Card: Diameter 4.5" (11.5 cm) Metal, with black markings, graduated to 360 degs and to 1/4 points, with a second set of graduations to 360 degs set 180 degs out of phase. Attached to a large silvered float at centre.

Needle: Unsighted

Pivot: Unsighted

O.A. Height 4.3" (11 cm)

Object Details

ID: ACO0532
Type: Boat's liquid compass
Display location: Not on display
Creator: Steger, Jr
Date made: circa 1920
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 115 mm; Diameter: 170 mm