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Liquid compass
Bowl: Brass painted black. Glazed. White inside with black lubber spike. Fill hole onn side. Tripod mount on base with screw.
Card: White with black markings graduated to 360 deg. Black dome float at centre.
Needle: Two needles in tubes held to underside of card by two screws.
Pivot: Not seen
Azimuth circle: Has front and back sights. Hinged front sight has an open arch with wire. Back sight fixed with prism with peep hole and slit.
Tripod: 19.5" (49.5 cm) closed down
O.A. Height 4.5" (11.4 cm)
Card: White with black markings graduated to 360 deg. Black dome float at centre.
Needle: Two needles in tubes held to underside of card by two screws.
Pivot: Not seen
Azimuth circle: Has front and back sights. Hinged front sight has an open arch with wire. Back sight fixed with prism with peep hole and slit.
Tripod: 19.5" (49.5 cm) closed down
O.A. Height 4.5" (11.4 cm)
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Object Details
| ID: | ACO0109 |
|---|---|
| Type: | Liquid compass |
| Display location: | Not on display |
| Creator: | Captain Chetwynd; Johnson Ltd Edward John Dent & Co. |
| Date made: | 1916 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 85 mm x 95 mm x 105 mm x 95 mm |
| Parts: | Liquid compass |
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