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.
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.
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Object Details
ID: | ACO1064 |
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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 |