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Liquid compass card
Liquid compass
Card: A mica card attached to float by metal framework. Card is white with black markings graduated to quarter points and quadrantally in degrees.
Needle: The eight needles are each held in tubes. There is a set of four at the top of the dome and one at the bottom. Lengths 4 x 4.5" (11.5 cm) and 4 x 4" (10.2 cm)
Pivot: The jewelled pivot cap is set into the domed float and can be removed by a screw at the top of the dome.
O.A. height 2.25" (5.8 cm)
Card: A mica card attached to float by metal framework. Card is white with black markings graduated to quarter points and quadrantally in degrees.
Needle: The eight needles are each held in tubes. There is a set of four at the top of the dome and one at the bottom. Lengths 4 x 4.5" (11.5 cm) and 4 x 4" (10.2 cm)
Pivot: The jewelled pivot cap is set into the domed float and can be removed by a screw at the top of the dome.
O.A. height 2.25" (5.8 cm)
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Object Details
| ID: | ACO1073 |
|---|---|
| Type: | Liquid compass card |
| Display location: | Not on display |
| Creator: | Kelvin Bottomley & Baird Ltd |
| Date made: | circa 1940 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 50 mm; Diameter: 245 mm |