Compass card

Card for a liquid compass.

Card: A mica card attached to the float via the needles. The card is hand painted white with black markings graduated to quarter points and quadrantally in degrees.

Needle: The two needles are held in tubes which are attached to the card by brackets and to the float.

Pivot: The pivot is incorporated into the domed float and the jewel can be removed by a screw at the top of the dome.

O.A. height 1.75" (4.5 cm)
Length 4.5" (11.3 cm)

Object Details

ID: ACO1072
Type: Compass card
Display location: Not on display
Creator: Christie & Wilson
Date made: circa 1938
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
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