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Pocket telescope
This non-achromatic telescope has a rayskin-covered barrel and four draw tubes made of vellum. The other fittings are brass. Both the objective and eyepiece lenses had sliding lens covers, although the cover for the objective lens is now missing. Solid black lines around the draw tubes indicate the optimum working length of the telescope.
The maker's name and date are engraved on the objective lens: 'John Cuff, Londini. Fecit.1736'. John Cuff (1708-92), a maker of spectacles and optical instruments, worked in Fleet Street.
The maker's name and date are engraved on the objective lens: 'John Cuff, Londini. Fecit.1736'. John Cuff (1708-92), a maker of spectacles and optical instruments, worked in Fleet Street.
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Object Details
| ID: | NAV1526 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Pocket telescope |
| Display location: | Not on display |
| Creator: | Cuff, John |
| Date made: | 1736 |
| Credit: | National Maritime Museum, Greenwich, London, Caird Collection |
| Measurements: | Length: 304 mm (closed); 970 mm (open, to stop lines); Diameter: 44 mm (barrel) |