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Object Details
| ID: | AST0830.1 |
|---|---|
| Type: | Gregorian secondary mirror cover |
| Display location: | Not on display |
| Creator: | Herschel, William |
| Date made: | circa 1773 |
| Credit: | National Maritime Museum, Greenwich, London, Herschel Collection |
| Measurements: | Diameter: 36 mm;Overall: 14 mm |
| Parts: |
Gregorian secondary mirror
|