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Pocket compass
Pocket compass
Bowl: Dia. 2.15" (5.5 cm) Brass 1.0" (2.5 cm) deep. Inside of bowl unpainted. Glazed. Mounted in brass gimbal ring 2.3" (5.8 cm) dia. and attached to outer base casing which has a brass screw-on lid. On the inside of the lid there is a white paper compass card with black markings, graduated to 32 points.
Card: Dia. 1.9" (4.85 cm) White paper with red, black and yellow markings. Graduated to 32 points and quadrantally in degrees. A brass pivot cap is mounted at the centre.
Needle: Unsighted.
Pivot: Unsighted.
O.A. Height 1.25" (3.2 cm)
Bowl: Dia. 2.15" (5.5 cm) Brass 1.0" (2.5 cm) deep. Inside of bowl unpainted. Glazed. Mounted in brass gimbal ring 2.3" (5.8 cm) dia. and attached to outer base casing which has a brass screw-on lid. On the inside of the lid there is a white paper compass card with black markings, graduated to 32 points.
Card: Dia. 1.9" (4.85 cm) White paper with red, black and yellow markings. Graduated to 32 points and quadrantally in degrees. A brass pivot cap is mounted at the centre.
Needle: Unsighted.
Pivot: Unsighted.
O.A. Height 1.25" (3.2 cm)
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Object Details
| ID: | NAV0225 |
|---|---|
| Type: | Pocket compass |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1725 |
| Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
| Measurements: | Overall: 30 mm; Diameter: 70 mm |