D0887-002

28-inch visual refractor telescope Long Caption: This is a 28-inch visual refracting telescope, currently mounted in the south east equatorial dome at the Royal Observatory Greenwich. It is the seventh largest refractor in the world and was used almost exclusively for double star observation. Credit line: © National Maritime Museum, Greenwich, London. Object: AST0932 Artist: Sir Howard Grubb; Ransomes & Sims Date: 1893 (mount 1859) Medium: cast iron; steel Size: Overall: 8200 mm Click here to buy a bespoke print of this image.