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Liquid compass
Liquid compass
Card: A mica band 1.5" (3.8 cm) wide attached to the needles by a wire framework. It is white with black markings graduated to eight points and 0 - 360 in degrees.
Needle: The four needles, in two pairs, are attached to the dome, one pair going straight through it. The needles are each held in metal tubes. Lengths 2 x 3.5" (8.9 cm) & 2 x 5.25" (13.4 cm)
Pivot: The pivot cap is incorporated into the domed float and the jewel can be removed by a screw on the top of the dome.
The base of the float is corrugated and there are soldered weights attached to the wire framework.
O.A. height 1.5" (3.8 cm)
Card: A mica band 1.5" (3.8 cm) wide attached to the needles by a wire framework. It is white with black markings graduated to eight points and 0 - 360 in degrees.
Needle: The four needles, in two pairs, are attached to the dome, one pair going straight through it. The needles are each held in metal tubes. Lengths 2 x 3.5" (8.9 cm) & 2 x 5.25" (13.4 cm)
Pivot: The pivot cap is incorporated into the domed float and the jewel can be removed by a screw on the top of the dome.
The base of the float is corrugated and there are soldered weights attached to the wire framework.
O.A. height 1.5" (3.8 cm)
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Object Details
| ID: | ACO0891 |
|---|---|
| Type: | Liquid compass |
| Display location: | Not on display |
| Creator: | Lietz, A, & Co |
| Date made: | circa 1940 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 38 mm; Diameter: 190 mm |
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