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Compass card
Card for a liquid compass.
Card: A mica band 2" wide attached to the needles. The card is grey with black markings graduated to quarter points and quadrantally in degrees.
Needle: Two edge bar needles attached to the float. The needles are in metal envelopes. Length 5" x 0.75" (12.7 cm x 2.2 cm)
Pivot: Is incorporated in the domed float and the jewel can be removed by a screw at the top of the dome.
O.A. height 2.25" (5.7 cm)
Card: A mica band 2" wide attached to the needles. The card is grey with black markings graduated to quarter points and quadrantally in degrees.
Needle: Two edge bar needles attached to the float. The needles are in metal envelopes. Length 5" x 0.75" (12.7 cm x 2.2 cm)
Pivot: Is incorporated in the domed float and the jewel can be removed by a screw at the top of the dome.
O.A. height 2.25" (5.7 cm)
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Object Details
| ID: | ACO1047 |
|---|---|
| Type: | Compass card |
| Display location: | Not on display |
| Creator: | Edward John Dent & Co. |
| Date made: | circa 1890 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | 194 x 60 mm |