Liquid compass

Liquid compass

Card: An overhead compass card. A mica card originally paper covered but this is now peeling away. Originally white with black markings graduated to quarter points.

Needle: A flat bar needle pointd at each end. Held to the card by two screws. Lenght 7.25" (18.4 cm)

Pivot: The pivot cap is screwed into the needle. The jewel is very prominent.

Object Details

ID: ACO1064
Type: Liquid compass
Display location: Not on display
Creator: Unknown
Vessels: Lucy fl.1918
Date made: mid 19th century
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 18 mm; Diameter: 181 mm