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Objective lens cap
Screw-on cap for the objective lens for non-achromatic telescope.
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Object Details
| ID: | NAV1509.1 |
|---|---|
| Type: | Objective lens cap |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1750 |
| Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
| Measurements: | Diameter: 48 mm;Overall: 12 mm |
| Parts: |
Portable telescope
|