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level, pocket
A brass plate 5 x 5" (12.7 x 12.7cm) on which a spirit level in brass casing 4.8" (12.3cm) long is mounted. A fixed curved brass arc, graduated 0-90 degs is attached at side of plate. A second plate 5.25" (13.3cm) long is hinged above the first plate. It is fitted with a sight vane at each end 1.4" (3.6cm) long, one with a hole and cross threads, the other with a peep-hole sight. The upper plate is fitted with a brass clamp with fiducial edge whrough which the curved arc passes.
In fishskin covered case lined with red velvet.
In fishskin covered case lined with red velvet.
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Object Details
| ID: | NAV1431 |
|---|---|
| Type: | level, pocket |
| Display location: | Not on display |
| Creator: | Ebsworth, Richard |
| Date made: | circa 1820 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 30 mm x 135 mm x 60 mm |
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