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Liquid compass and binnacle
Liquid compass
Bowl: Brown plastic, filler plug at side, expansion chamber at base. Inside of bowl unpainted (dirty) with four black lubber lines carried on bent white (dirty) plastic strips secured to base of bowl. Verge ring is black plastic, and is fitted with an electric lamp. Verge glass is domed.
Card: Dia. 4.7" (12.0 cm) Annular white (dirty) plastic, marking and graduations unsighted, connected by cruciform plastic float to pivot at centre.
Needle: Two needles of square section encased in plastic attached to underside of float.
Pivot: Plastic pivot stem secured to base of bowl carries a pivot point which engages in jeweled pivot cup carried at centre of float.
Binnacle: Dia. 12.2" (31.0 cm) Brown plastic fitted with correctors of the scissor type in base and a thin piece of soft iron for correcting quadrantal deviation. Fitted with a brown plastic hood having a circular glazed aperture with cover and shutters. Hood fitted with an electric lamp.
OA height 14.95" (38.0 cm)
Bowl: Brown plastic, filler plug at side, expansion chamber at base. Inside of bowl unpainted (dirty) with four black lubber lines carried on bent white (dirty) plastic strips secured to base of bowl. Verge ring is black plastic, and is fitted with an electric lamp. Verge glass is domed.
Card: Dia. 4.7" (12.0 cm) Annular white (dirty) plastic, marking and graduations unsighted, connected by cruciform plastic float to pivot at centre.
Needle: Two needles of square section encased in plastic attached to underside of float.
Pivot: Plastic pivot stem secured to base of bowl carries a pivot point which engages in jeweled pivot cup carried at centre of float.
Binnacle: Dia. 12.2" (31.0 cm) Brown plastic fitted with correctors of the scissor type in base and a thin piece of soft iron for correcting quadrantal deviation. Fitted with a brown plastic hood having a circular glazed aperture with cover and shutters. Hood fitted with an electric lamp.
OA height 14.95" (38.0 cm)
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Object Details
| ID: | ACO1315 |
|---|---|
| Type: | Liquid compass and binnacle |
| Display location: | Not on display |
| Creator: | Ludolph, W. |
| Date made: | circa 1943 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 375 mm x 295 mm x 295 mm |
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