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Sidereal regulator; Winding key
Winding key from eight day sidereal regulator ZAA0591.
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Object Details
| ID: | ZAA0591.10 |
|---|---|
| Type: | Sidereal regulator; Winding key |
| Display location: | Not on display |
| Creator: | William Hardy |
| Date made: | 1809 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 75 mm x 80 mm x 30 mm |
| Parts: |
An eight-day sidereal regulator, mounted within a stone block at the southern end of the Airy transit circle by William Hardy, London, circa 1811 (Astronomical regulator)
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