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)

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
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