Metal bar, with grooves

Part of Transit Circle roof mechanism.

Object Details

ID: AST0991.6
Type: Metal bar, with grooves
Display location: Not on display
Creator: Troughton & Simms; Ransomes & May
Date made: 1851
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 46 mm x 725 mm x 62 mm
Parts: Airy's transit circle (Telescope)