Preliminary memorandum on the organisation of air raid precautions services in industrial, ..., undertakings and the training and equipment of personnel / Home Office, Air … Carriage of artillery equipment by air / prep. under the direction of the Chief of the Imperial General Staff and with the approval of the … air raid precautions handbook Decontamination of clothing, including oilskin anti-gas clothing and equipment, from blister gasses / issued by the Home Office, Air raid precautions department Carriage of army equipment by air : General Carriage of engineer equipment by air / prep. under the direction of the Chief of the Imperial General Staff and with the approval of the … Air Transport Troops and Equipment. Special Text 71-210