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Alidade
Graduations: Upper surface of bar graduated 0-12 with a diagonal scale. One edge graduated "M.P. Venc" 1-6, M.P. /viceno." 0-6, "M.P. Vere." 0-6.
Sights: Two hinged sight vanes 6.1" (15.4cm) long. One sight vane has a vertical slit with rectangular aperture above, the other has a rctangular aperture with avertical slit above.
Sights: Two hinged sight vanes 6.1" (15.4cm) long. One sight vane has a vertical slit with rectangular aperture above, the other has a rctangular aperture with avertical slit above.
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Object Details
| ID: | NAV1361 |
|---|---|
| Type: | Alidade |
| Display location: | Not on display |
| Creator: | Rodella |
| Date made: | circa 1750 |
| Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
| Measurements: | Overall: 35 mm x 584 mm x 46 mm |
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