Pocket telescope

The barrel of this hand-held telescope is made of paper in imitation of sharkskin, while the three draw tubes are made of paper. The fittings are of horn and brass, including a brass eyepiece cap, which is possibly of later date. The objective lens assembly is missing. Black stop lines on the draw tubes indicate the telescope's optimum working length.

Object Details

ID: NAV1557
Collection: Astronomical and navigational instruments
Type: Pocket telescope
Display location: Not on display
Creator: Unknown
Date made: circa 1750
Credit: National Maritime Museum, Greenwich, London, Caird Collection
Measurements: Overall: 295 mm; Diameter: 47 mm
Parts: Pocket telescope
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