Compass card
Card for a liquid compass.
Card: A mica card attached to a domed float. The card is white with black markings graduated to quarter points.
Needle: Two edge bar needles attached to float. Dims 3.5" x 0.5" (9 cm x 1.2 cm)
Pivot: The pivot is incorporated into the float and can be removed by a screw at the top of the dome.
The float is attached to the card by studs.
O.A. height 1.25" (3.4 cm)
Card: A mica card attached to a domed float. The card is white with black markings graduated to quarter points.
Needle: Two edge bar needles attached to float. Dims 3.5" x 0.5" (9 cm x 1.2 cm)
Pivot: The pivot is incorporated into the float and can be removed by a screw at the top of the dome.
The float is attached to the card by studs.
O.A. height 1.25" (3.4 cm)
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Object Details
ID: | ACO1046 |
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Type: | Compass card |
Display location: | Not on display |
Creator: | Edward John Dent & Co. |
Date made: | 1890 |
Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
Measurements: | 121 x 32 mm |