Prismatic alidade rod

Rod found in the box of the prismatic alidade of the Schmalcalder type. Painted red and blue.

Object Details

ID: ACO0708.1
Type: Prismatic alidade rod
Display location: Not on display
Creator: L. Doignon & Malakoff
Date made: 1932
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Diameter: 7 mm;Overall: 74 mm
Parts: Prismatic alidade