Naval telescope

This achromatic telescope has a tapering mahogany barrel and a single brass draw tube. The other brass fittings include a pivoted eyepiece cover and a brass objective lens cap attached to the barrel collar with a chain. There is also a green baize cover.

The maker's name and the date of 1775 are inscribed on the draw tube. Nairne & Blunt were one of the leading London instrument suppliers in the late 18th century and made many navigational instruments, including telescopes like this, which were commonly used on board ship.

Object Details

ID: NAV1606
Collection: Astronomical and navigational instruments
Type: Naval telescope
Display location: Display - ROG
Creator: Nairne & Blunt
Date made: 1775
Exhibition: Ships, Clocks & Stars: The Quest for Longitude
People: Warr family
Credit: National Maritime Museum, Greenwich, London
Measurements: Length: 897 mm (closed), 1118 mm (fully extended), 970 mm (bag); Diameter: 66 mm (barrel, max.)
Parts: Naval telescope

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