Motion Monitoring System case key

Case key for the Type-B Motion Monitoring System with integrated aluminium carry case.

Object Details

ID: ACO1421.2
Type: Motion Monitoring System case key
Display location: Not on display
Creator: Colnbrook Instrument Development Ltd
Date made: Unknown
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 2 mm x 38 mm x 20 mm
Parts: Motion Monitoring System (Motion Monitoring System)