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Universal sun compass
Cole's Mark I compass-consists of a black-painted alloy disc, graduated to 360 degs around outer edge. At the centre is attached a timeplate for latitudes 0-30 degs. This is engraved with a table of equation of time and can be slid bodily to allow for the declination, being set by a date scale. A gnomon (shadow pin) is fitted at centre with a shadow pointer. A spirit level is fitted at edge of disc. Mounted on a black-painted universal mounting. In fitted wooden box 9 x 9 x 4" (22.8 x 22.8 x 10.2cm) containing two shadow pins and instructions for use attached to inside of lid.
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Object Details
| ID: | ACO0640 |
|---|---|
| Type: | Universal sun compass |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1940 |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 52 mm x 200 mm x 230 mm |
| Parts: | Universal sun compass |
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