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Description: | This non-achromatic telescope has an octagonal mahogany barrel and a single brass draw tube. The other brass fittings include sliding eyepiece and objective lens covers. The telescope once belonged to Rear-Admiral Charles Steevens (1705-61), and is of a type commonly used on board ship in the 18th century.
Focal length: 22". O.G. diameter: 0.5".
caption: Polygonal telescope | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Subjects: | Steevens Polygonal telescope telescopes Charles | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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