Dry card compass card

Spare card for the arctic sledge compass. Black with white markings graduated to 1/4 points and in degrees 0 - 136 anticlockwise. Crown on card.

Object Details

ID: ACO0114.1
Type: Dry card compass card
Display location: Not on display
Creator: Henry Barrow & Co
Date made: circa 1839
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 6 mm x 50 mm x 50 mm
Parts: Dry card compass