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Boat's compass card
Boat's compass
Card: The card is a hollow flat ring with a hole in the centre. The top is white with black markings graduated to quarter points. It has a decorated East point.
Needle: The needles are in the body of the ring.
Pivot: A single gimballed pivot spike is at the centre. There are two wires above the card to stop it coming off the pivot cap.
O.A. height 1.5"
Card: The card is a hollow flat ring with a hole in the centre. The top is white with black markings graduated to quarter points. It has a decorated East point.
Needle: The needles are in the body of the ring.
Pivot: A single gimballed pivot spike is at the centre. There are two wires above the card to stop it coming off the pivot cap.
O.A. height 1.5"
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Object Details
| ID: | ACO1039 |
|---|---|
| Type: | Boat's compass card |
| Display location: | Not on display |
| Creator: | Preston, Grant |
| Date made: | 1840-1850; 1840-50 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 35 mm; Diameter: 105 mm |