Wireless for the Warrior Compendium 6SIGNAL and WIRELESS STORES, Notes On Equipment, Volume IV, was a British World War 2 publication issued by the Training Establishment, Royal Army Ordnance Corps (RAOC), F Branch, located at Donnington in the U. K. Originally intended as a training guide for RAOC personnel, Notes on Equipment, Volume IV gave an interesting and fairly complete view of standard Army Signal and Wireless equipment issued in the early war period. Apart from the (obvious)