January 11, 2017 at 2:37 pm
see
http://forum.keypublishing.com/showthread.php?141306-A-M-6A-726-Compass-Type-R8
By: windhover - 11th January 2017 at 19:22
6A/726 is the reference number of a standard Air Ministry P8 compass fitted to a variety of aircraft such as Spitfire, Hurricane, Typhoon etc.