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Dry card compass
Bowl - Has a detachable base and is split and secured with copper wire. The glass is cracked.
Card - Graduated in points and quadrantally in degrees. It is decorated with North and East points. Black card with white markings. Dia of card: 6.0" (15.2 cm).
Needle - Single flat bar type, pointed at either end and is secured to card by lead rivets.
Pivot - Metal pin driven through base of bowl.
Mounted on ACO stand 19.0" x 9.0" (22.9 x 22.9cm).
Card - Graduated in points and quadrantally in degrees. It is decorated with North and East points. Black card with white markings. Dia of card: 6.0" (15.2 cm).
Needle - Single flat bar type, pointed at either end and is secured to card by lead rivets.
Pivot - Metal pin driven through base of bowl.
Mounted on ACO stand 19.0" x 9.0" (22.9 x 22.9cm).
For more information about using images from our Collection, please contact RMG Images.
Object Details
| ID: | ACO0001 |
|---|---|
| Type: | Dry card compass |
| Display location: | Not on display |
| Creator: | E. & G. W. Blunt |
| Date made: | circa 1810 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 150 mm x 227 mm x 227 mm |
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