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Azimuth circle prism testing thread
Azimuth circle prism testing thread. Two cylindrical weights joined together by red thread.
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Object Details
| ID: | ZBA0093.1 |
|---|---|
| Type: | Azimuth circle prism testing thread |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | Unknown |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 7 mm x 45 mm x 11 mm |
| Parts: |
Azimuth circle
|