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Compass card
Dry compass card
Card- Mica coverd with paper, white with black markings, graduated to 32 points and quadrantally in degrees. Has a decorated E point.
Needle-Single flat bar needle 6" long, 0.75" wide at centre, tapering slightly towards the ends. Has a hole at centre of needle through which pivot cup is screwed.
Pivot-Cone-shaped brass pivot cap with jewel at top. Screwed through centre of needle.
Card- Mica coverd with paper, white with black markings, graduated to 32 points and quadrantally in degrees. Has a decorated E point.
Needle-Single flat bar needle 6" long, 0.75" wide at centre, tapering slightly towards the ends. Has a hole at centre of needle through which pivot cup is screwed.
Pivot-Cone-shaped brass pivot cap with jewel at top. Screwed through centre of needle.
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Object details
| ID: | ACO0907 |
|---|---|
| Type: | Compass card |
| Display location: | Not on display |
| Creator: | Scatliff |
| Date made: | 1760 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 15 mm; Diameter: 165 mm |