Compass Test Equipment

compass test equipment

Consists of a wooden base board at the centre of which is mounted a white plastic compass card 7.7" (19.5 cm) diameter, graduated to points and to 360 degrees. At each end of the base board is fitted a vertical brass bar 17.0" (43.2 cm) high. A brass bar 10.5" (26.6 cm) long is mounted between the two vertical bars and can be moved up and down at will. The horizontal bar has a large hole in its centre.

O.A. height 17.75" (44.5 cm)

Object Details

ID: ACO1308
Type: Compass Test Equipment
Display location: Not on display
Creator: Unknown
Date made: circa 1940
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 450 mm x 357 mm x 250 mm; Base: 19 mm x 244 mm x 343 mm