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Liquid compass
Liquid compass
Card: A mica band 1.4" (3.6 cm) wide attached to the needles by a wire framework. The card is white with black markings graduated to quarter points and 0 - 360 in degrees
Needle: The four needles, in two pairs, are all the same length, are each enclosed in a metal tube and all go through the float. Length 3.5" (8.9 cm)
Pivot: The pivot is incorporated into the domed float and the jewel can be removed by a screw on top of the dome. There is a metal ring soldered to the base of the dome.
O.A. height 1.5" (3.8 cm)
Card: A mica band 1.4" (3.6 cm) wide attached to the needles by a wire framework. The card is white with black markings graduated to quarter points and 0 - 360 in degrees
Needle: The four needles, in two pairs, are all the same length, are each enclosed in a metal tube and all go through the float. Length 3.5" (8.9 cm)
Pivot: The pivot is incorporated into the domed float and the jewel can be removed by a screw on top of the dome. There is a metal ring soldered to the base of the dome.
O.A. height 1.5" (3.8 cm)
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Object Details
| ID: | ACO0888 |
|---|---|
| Type: | Liquid compass |
| Display location: | Not on display |
| Creator: | Weilbach, Iver C, & Co |
| Date made: | circa 1930 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 38 mm; Diameter: 180 mm |