air publication General instrument equipment for aircraft, vol. 1 / Air Ministry Parachute Manual Manual of air navigation Instrument drill for predictors, Antiaircraft Artillery, Nos.2 and 5 military training pamphlet Barrel Flame Traps : flame warfare military training pamphlet Barbed wire concertina obstacles : construction drill for the "High Wire " fence Maintenance handbook for armoured cars, tracked and halftracked vehicles Manual of instruction in army signalling Machine gun training : provisional Defence against gas : provisional Engineer training : provisional / by command of the Army Council Field engineers drill
