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Pienmen nephoscope
A brass mounted black glass reflector top which fits over the top of the bowl which can be rotated. It is fitted with two wooden knobs and a vertical arm which is graduated 2-11 and which can be raised or lowered by a worm screw. The black glass reflector carrried a circumferential scale.
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Object Details
| ID: | ACO0655.1 |
|---|---|
| Type: | Pienmen nephoscope |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | Unknown |
| Credit: | National Maritime Museum, Greenwich, London, Admiralty Compass Observatory |
| Measurements: | Overall: 119 mm x 175 mm x 142 mm |