air raid precautions memorandum Air raid precautions for animals / issued by the Home Office (A.R.P. Department) air raid precautions memorandum Camouflage of large installations / issued by the Home Office (A.R.P. Department) air raid precautions handbook Incendiary bombs and fire precautions / Home Office , Air Raid Precautions Department air raid precautions handbook Anti-gas precautions for merchant shipping / issued by the Home Office, Air Raid Precautions Department Instruction in military engineering : Military bridging and use of spars / School of military engineering Tubular scaffolding for military purposes (omslagtitel) General regulations for the Government of the Royal Military Academy at Woolwich : with course of instruction Military engineering : Defences / Army Council Military engineering : (technical training) / Army Council : Vol. 2: Electrical engineering 303 Maxim Guns Garrison artillery training : Garrison artillery training 1902. Vol. III Infantry training : War / War Office