Compass card

Card for a boat's compass.

Card: A mica card attached to the domed float. The card is white with black markings graduated to eight points and quadrantally in degrees.

Needles: The two needles are held in cylinders attached to the underside of the float. Length 3" (7.0 cm)

Pivot: Pivot is incorporated in the float and can be removed by a screw at the top of the dome.

O.A. height 1.5" (3.8 cm)

Object Details

ID: ACO1052
Type: Compass card
Display location: Not on display
Creator: Unknown
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
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