F4557-002

Night telescope - inscription Long Caption: This is a hand-held terrestrial telescope designed for use at night. It has a large non-achromatic objective lens to allow as much light as possible to enter the telescope. The telescope doesn Credit line: © National Maritime Museum, Greenwich, London Object: NAV1485 Artist: William Cary Date: circa 1810 Medium: leather; brass; glass Size: length: 710 mm (closed), 850 mm (focused, appromm x.); diameter: 82 mm (barrel) Click here to buy a bespoke print of this image.