Compass card

Dry card for boat's compass with two 80mm edge needles. Signed "W. LUDOLPH BREMERHAVEN", Germany.

Object Details

ID: ACO1504
Type: Compass card
Display location: Not on display
Creator: Ludolph, W.
Date made: 1939
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 14 mm; Diameter: 127 mm