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Portable telescope
This non-achromatic telescope was made in France in the late 18th century. It has a green rayskin (shagreen) barrel and a single green vellum draw tube. The lenses are set in lignum vitae with silver mounts. There is a black stop line near the eyepiece end of the draw tube.
The maker's name is stamped onto the draw tube: ‘SAYDE / OPTICIEN DU ROY / A PARIS’.
The maker's name is stamped onto the draw tube: ‘SAYDE / OPTICIEN DU ROY / A PARIS’.
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Object Details
| ID: | NAV1618 |
|---|---|
| Collection: | Astronomical and navigational instruments |
| Type: | Portable telescope |
| Display location: | Not on display |
| Creator: | Sayde |
| Date made: | circa 1780 |
| Credit: | National Maritime Museum, Greenwich, London |
| Measurements: | Overall: 645 mm; Diameter: 45 mm |