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Overhead compass
Overhead compass.
Bowl: Dia. 7.5" (19.0 cm) Domed glass bowl surmounted by a red and gold painted metal Royal Crown (damaged) with a gimbal suspension at top.
Card: Dia. 5.5" (14.0 cm) Paper card (top) black with white markings. Graduated to 32 points with a decorated East point. (Bottom) White with red, black & yellow markings. Decorated with emblematic figures of the Planets and scene of ship and figures at centre. Graduated to 32 points with a decorated East point. A brass pivot cap is mounted at centre.
Needle: Length 5.5" (14.0 cm) Two parallel needles mounted on upper surface of card.
Pivot: Brass pivot stem 3.0" (7.6 cm) long attached at centre of base of domed glass bowl.
O.A. Height 10.5" (26.7 cm)
Bowl: Dia. 7.5" (19.0 cm) Domed glass bowl surmounted by a red and gold painted metal Royal Crown (damaged) with a gimbal suspension at top.
Card: Dia. 5.5" (14.0 cm) Paper card (top) black with white markings. Graduated to 32 points with a decorated East point. (Bottom) White with red, black & yellow markings. Decorated with emblematic figures of the Planets and scene of ship and figures at centre. Graduated to 32 points with a decorated East point. A brass pivot cap is mounted at centre.
Needle: Length 5.5" (14.0 cm) Two parallel needles mounted on upper surface of card.
Pivot: Brass pivot stem 3.0" (7.6 cm) long attached at centre of base of domed glass bowl.
O.A. Height 10.5" (26.7 cm)
For more information about using images from our Collection, please contact RMG Images.
Object Details
| ID: | NAV0245 |
|---|---|
| Type: | Overhead compass |
| Display location: | Not on display |
| Creator: | Borger, Ivor Jensen |
| Date made: | circa 1790 |
| Credit: | National Maritime Museum, Greenwich, London, Gabb Collection |
| Measurements: | Overall: 260 mm; Diameter: 245 mm |
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