Working Instructions. Training Set W.T. Mks. 2, 2* and 3. WO 1526 - Engeland Voorschrift Basic and Battle Physical Training. Part V. Jumping, Vaulting, Climbing, Scaling and Obstacle Training. WO 7048 - Engeland Voroschrift 26/GS Publications/1563 Flash-Spotting Training. Pamphlet no.1. Air Burst Ranging (for use by Survey Regiments, R.A.). WO 7308 - Engeland Voorschrift, 26/G.S. Publications/479 Signal Corps Training Aids Catalog. - USA Voorschrift Signal Corps 695-1 Operations Military Training Pamphlet. no.23. Part VIII. River Crossings - Engeland Voorschrift 26/G.S. Publications 451