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Description: | This non-achromatic telescope has a ten-sided mahogany barrel and a single brass draw tube. There is no mechanical stop for the draw tube. The other brass fittings include sliding eyepiece and objective lens covers.
Inscription. Focal length: 30.8". O.G. diameter: 1.1".
caption: Polygonal telescope | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | Camperdown 1885 William H (RN) Boys Henry (RN) Non-achromatic telescope telescopes Vanguard (1835) | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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