Portable refractor telescope

F5602-001

Portable refractor telescope Long Caption: This is a refracting telescope with a portable stand. It has a mahogany tube with brass fittings as well as a brass draw tube and fittings. There is a small brass refracting telescope (finderscope) at the eyepiece-end of the barrel. The telescope belonged to Rev. George Fisher (1794-1873) who went to the Arctic as an Astronomer with Captain David Buchan in HMS 'Dorothea' in 1818 and with Captain William Edward Parry in HMS 'Fury' from 1821-1823. Telescope: The instrument has a triplet object glass with an aperture of 92 mm and a focal length of 1168mm. Engraved on the eye-end of the telescope it reads 'DOLLOND LONDON'. The tube is 1165mm long; it has a finderscope and a rack and pinion focuser. Credit line: © National Maritime Museum, Greenwich, London, Rev. George Fisher Collection Object: AST0911 Artist: Dollond family Date: circa 1815 Medium: mahogany; brass; wood; glass Size: 1168 mm x 92 mm; diameter of objective: 92 mm Click here to buy a bespoke print of this image.