Dry card compass

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ID:	ACO0126.1
Type:	Dry card compass
Display location:	Not on display
Creator:	Unknown
Date made:	Unknown
Credit:	National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements:	Overall: 20 mm; Diameter: 192 mm
Parts:	Dry card compass Dry card compass (ACO0126.1) Dry card compass box (ACO0126.2) Dry card compass pivots and cup (ACO0126.3) Dry card compass box (ACO0126.4) Compass card pivots (ACO0126.5) Base of box for the dry card compass pivots and cup (ACO0126.6) Lid of box for the dry card compass pivots and cup (ACO0126.7)