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Description: | This barrel and three draw tubes of this telescope are covered in vellum and the barrel is decorated with gold tooling. Stop lines on the draw tubes indicate the optimum working length of the telescope. The lenses are set in horn mounts, although the objective lens (which would have been non-acrhomatic) is now missing. There is a sliding eyepiece cover made of brass.
Focal length: 33.5".O.G.diameter: 0.5".
caption: Portable telescope | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | Vellum telescopes | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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