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Dry card compass
Bowl: Brass has hinged top with hole for reading course. Brass verge ring with glass. Has lanyard ring bound inn leather. Card lifter on outside.
Card: Black with white markings graduated to 1/4 points and in degrees 0 - 360 anticlockwise. Crown on card. Diameter 1.8" (4.7 cm)
Needle: Unsighted.
Pivot: Unsighted. Jewelled brass pivot cap at centre of card.
Encased in leather
O.A. Height 1.0" (2.5 cm)
Card: Black with white markings graduated to 1/4 points and in degrees 0 - 360 anticlockwise. Crown on card. Diameter 1.8" (4.7 cm)
Needle: Unsighted.
Pivot: Unsighted. Jewelled brass pivot cap at centre of card.
Encased in leather
O.A. Height 1.0" (2.5 cm)
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Object Details
| ID: | ACO0116 |
|---|---|
| Type: | Dry card compass |
| Display location: | Not on display |
| Creator: | Henry Barrow & Co |
| Date made: | circa 1839 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 30 mm x 72 mm x 115 mm |