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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)
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)
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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 |
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