Resistance unit - aircraft compass

Resistance unit for the Holmes MK 12 repeater aircraft compass.

Object Details

ID: ACO0416.2
Type: Resistance unit - aircraft compass
Display location: Not on display
Creator: Henry Hughes & Son Limited; Holmes
Date made: circa 1935
Credit: National Maritime Museum, Greenwich, London, Admiralty Compass Observatory
Measurements: Overall: 150 mm x 162 mm x 116 mm
Parts: Compass, repeater - aircraft compass