Mariner's compass card

Mariner's compass card
Card-Dia. 6.22 (15.7cm) Mica covered with paper, black with white markings. Graduated to 1/4 points. Brass jewelled pivot cap mounted at centre. Blob of sealing wax for balancing on back of card.
Needle-Length 6" (15.2cm) Single flat bar needle with expanded centre, to accommodate the brass pivot cap.

Object Details

ID: NAV0285.1
Type: Mariner's compass card
Display location: Not on display
Creator: Unknown
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 14 mm
Parts: Mariner's compass