Apertures and carrying plates
Twenty-two apertures and carrying plates contained in a pill box.
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Object Details
| ID: | AST0872.15 |
|---|---|
| Type: | Apertures and carrying plates |
| Display location: | Not on display |
| Creator: | Herschel, William; Johann Alexander Herschel |
| Date made: | 1773; 1821 |
| Credit: | National Maritime Museum, Greenwich, London, Herschel Collection |
| Measurements: | Diameter: 41 mm;Overall: 30 mm |
| Parts: |
Eyepiece mounts
|