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Compass card
Card for a liquid compass.
Card: A mica card attached to the float by radial arms. The card is white with black markings graduated in half points and quadrantally in degrees.
Needle: The two edge bar needles are enveloped in brass sheaths. They are attched to the radial arms. Dims 5" x 1" (12.7 cm x 2.6 cm)
Pivot: The bell shaped jewelled pivot is screwed into the domed float. There is a pivot spike attached to the card.
O.A. height 2.25" (5.7 cm)
Card: A mica card attached to the float by radial arms. The card is white with black markings graduated in half points and quadrantally in degrees.
Needle: The two edge bar needles are enveloped in brass sheaths. They are attched to the radial arms. Dims 5" x 1" (12.7 cm x 2.6 cm)
Pivot: The bell shaped jewelled pivot is screwed into the domed float. There is a pivot spike attached to the card.
O.A. height 2.25" (5.7 cm)
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Object Details
| ID: | ACO1042 |
|---|---|
| Type: | Compass card |
| Display location: | Not on display |
| Creator: | Atkins |
| Date made: | 1887 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |