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Dry compass
Dry compass
Card: A band of cardboard is attached to a metal frame. The card is white with black markings graduated to 1/4 points and quadrantally in degrees.
Pivot: A brass bell shaped pivot cap is set at the centre of the framework.
Needle: Two needles are slung beneath the frame work and they are set in pointed cylinders. Length 3.5" (9 cm)
Card: A band of cardboard is attached to a metal frame. The card is white with black markings graduated to 1/4 points and quadrantally in degrees.
Pivot: A brass bell shaped pivot cap is set at the centre of the framework.
Needle: Two needles are slung beneath the frame work and they are set in pointed cylinders. Length 3.5" (9 cm)
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Object Details
| ID: | ACO0852 |
|---|---|
| Type: | Dry compass |
| Display location: | Not on display |
| Creator: | Rosebrock, F T |
| Date made: | circa 1939 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 20 mm; Diameter: 207 mm |
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