Polygonal telescope

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.

Object Details

ID: NAV1655
Collection: Astronomical and navigational instruments
Type: Polygonal telescope
Display location: Not on display
Creator: Unknown
Date made: circa 1750
People: Steevens, Charles
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 362 mm; Diameter: 35 mm
Parts: Polygonal telescope
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