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Liquid compass
Liquid compass
Card: A mica band 2" wide attached to the float by screws. The card is white with black markings graduated to quarter points and quadrantally in degrees.
Needle: The two needles are held in oval tubes soldered to the base of the float. Lenght 6.75" (17.3 cm) Width 1" (2.6 cm)
Pivot: The pivot is incorporated into the domed float and the jewel can be removed by a screw on the top of the dome.
O.A. height 1.75" (4.5 cm)
Card: A mica band 2" wide attached to the float by screws. The card is white with black markings graduated to quarter points and quadrantally in degrees.
Needle: The two needles are held in oval tubes soldered to the base of the float. Lenght 6.75" (17.3 cm) Width 1" (2.6 cm)
Pivot: The pivot is incorporated into the domed float and the jewel can be removed by a screw on the top of the dome.
O.A. height 1.75" (4.5 cm)
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Object Details
| ID: | ACO0854 |
|---|---|
| Type: | Liquid compass |
| Display location: | Not on display |
| Creator: | Ludolph, W. |
| Date made: | Late 19th Century |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 50 mm; Diameter: 225 mm |