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Pocket telescope
The three draw tubes of this non-achromatic telescope are made of mottled vellum decorated with gold-tooled motifs. The barrel is covered with rayskin that has been dyed, as are the hinged cover for the objective lens and the slide-on eyepiece cover. The other fittings are made of turned ivory. Black stop lines on the draw tubes indicate the optimum working length of the telescope.
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Object Details
| ID: | NAV1523 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Pocket telescope |
| Display location: | Not on display |
| Creator: | Unknown |
| Date made: | circa 1700-1710 |
| Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
| Measurements: | Length: 223 mm (closed, with covers); 595 mm (open, approximate); Diameter: 34 mm (barrel) |
| Parts: | Pocket telescope |