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Dry compass
Dry compass
A dished paper card attached by thread to an aluminium vertical band. The card is white with black and red markings graduated to quarter points, quadrantally in degrees and 0 - 360 degrees (in red).
Silk threads run from the rim to an aluminium boss at the centre. These threads also hold in palce a tissue paper like covering. The needles, 6 in 3 pairs, are suspended by silk threads.
Dims of needles 3.5", 3.0" & 2.75" (8.9, 7.6 & 7.0 cm)
A dished paper card attached by thread to an aluminium vertical band. The card is white with black and red markings graduated to quarter points, quadrantally in degrees and 0 - 360 degrees (in red).
Silk threads run from the rim to an aluminium boss at the centre. These threads also hold in palce a tissue paper like covering. The needles, 6 in 3 pairs, are suspended by silk threads.
Dims of needles 3.5", 3.0" & 2.75" (8.9, 7.6 & 7.0 cm)
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Object Details
| ID: | ACO1032 |
|---|---|
| Type: | Dry compass |
| Display location: | Not on display |
| Creator: | Wilson & Gillie |
| Date made: | circa 1930 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 18 mm; Diameter: 250 mm |
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