Telescopes, Astronomical and navigational instruments, Optical equipment

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Achromatic telescope

AST0927
Telescopes

Object connections:

Collection Telescopes, Astronomical and navigational instruments, Optical equipment
User collections William Wales by NMMCollections
Gallery locationNot on display
Peoplemost probable maker: Dollond, Peter

Object details:

Object ID AST0927
Description This is a brass double achromatic telescope, with a missing tripod stand. The telescope has a fitted mahogany box which contains in addition to the telescope tube a counterpoise clamp, object glass cap, small refracting sighting telescope (mounted on the eye end of the barrel), six eyepiece shades (two with caps), a terrestrial eyepiece, fittings for supporting the telescope. The telescope has an object glass diameter of 95mm and a focal length of 60 inches. The mahogany box has an overall length of 1677mm and has brass handles.
Date made circa 1770

Artist/Maker Dollond & Aitchison
Place made London, England
Credit National Maritime Museum, Greenwich, London
Materials glass; brass
Measurements Overall: 1568 x 95 mm
Parts
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