Dry compass

Dry compass. Number in the photograph is wrong.

Card: Is made of white silk stretched over a metal circumference. The card is white with black markings graduated to half points and 0 - 360 degrees. There is a pivot cap at the centre.

Needle: The two needles are curved and with non-magnetic material form the circumference.

Object Details

ID: ACO0881
Type: Dry compass
Display location: Not on display
Creator: Olland, W C
Date made: circa 1900
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 1410 mm x 910 mm x 470 mm x 71 kg; Diameter: 240 mm
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