Prism from Photographic Zenith Tube

Glass prism, metal mounting on reverse. From Photographic Zenith Sector. This is a dove prism used for rotating an image.

Object Details

ID: ZBA0688
Collection: Astronomical and navigational instruments
Type: component, telescope
Display location: Not on display
Creator: Unknown
Date made: ca.1954
People: Royal Greenwich Observatory
Credit: Components. National Maritime Museum, Greenwich, London, RGO Collection
Measurements: Overall: 12 mm x 54 mm x 13 mm