Instructors' Handbook on Fieldcraft and Battle Drill - Engeland Voorschrift Infantry Training. Volume I. Training Machine Gun Handbook. (Technical) Volume I, Pamphlet no. 2. Mountings, Tripod,.303 inch, M.G. MK IV, Adapter, Vickers, M.G. MK I, Mount, Field, Vickers.303 inch, M.G. … Machine Gun Handbook. (Technical). Volume I, Pamphlet no. 1. Vickers.303 inch and 5 inch Machine Guns and Appurtenances. WO 888 - Engeland Voorschrift 26/Publications/3431 Air Raid Precautions. Handbook. no.8. The Duties of Air Raid Wardens