Compass card

Dry compass

Card: Silk (damaged). Black with white markings graduated to quarter points. Decorated East point. Brass circumference and frame work for supporting needles and pivot cap.

Needle: Two 8" (20.2 cm) needles edge bar type, 0.5" (1.2 cm) deep, supported on brass framework.

Pivot: Cone shaped pivot cap of brass and steel.

Object Details

ID: ACO1002
Type: Compass card
Display location: Not on display
Creator: West & Co
Date made: 1840-1850; 1840-50
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 25 mm; Diameter: 235 mm