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 Protection against gas and air raids : pamphlet No. 3 : passive air defence / The War Office Standard tank targets for use on Royal Artillery anti-tank ranges Handbook of enemy ammunition : pamphlet no. 8 Airborne operations : Pamphlet no. 1 General (Provisional) Aircraft recognition : Part I (British) Notes on the care and maintenance of mechanical vehicles : (tracked) How are your batteries? : notes on the care of lead accumulators for gunner operators, driver operators and regimental signallers Major items of equipment subject to war office control