Gun Drill (R.A. (A.A). Units) for 20-mm. Hispano, Polsten, and Oerlikon Machine Guns. (Provisional). WO 7399 - Engeland Voorschrift 26/GS Publications/1150 WO 7399 Gun Drill for Q.F. 3.7-inch Mark I, Howitzer on Carriage 3.7 inch, Mark 2P - Engeland Voorschrift 26/GS Publications/1467 WO 7981 Gun Drill for 40-mm. A.A. Gun on S.P. Mounting - Engeland Voorschrift 26/GS Publications/1323 WO 7402 Gun Drill for Q.F. 3.7 inch, Mark II or III Gun, on Mounting Q.F. 3.7 inch. A.A. Mark II. Land Service. - Engeland Voorschrift 26/GS … Militaire Railway Engineering, Volume VIII - Transportation, Part III - Railway Bridging, Supplement No. 1A. Additional notes for erection and launching drill-unit construction railway bridge, … Projector Drill for Projector Rocket 3-inch No. 2, Mark I : Provisional - Engeland Voorschrift 26/GS Publications/1208 Gun drill for Q.F. 3.7-inch Mark I Howitzer, on Marks I to IIIr carriages 1941 - Engeland Voorschrift 26/GS Publications/653 WO 7343 Coast artillery corps : Gun drill, mobile mount, antiaircraft artillery - USA Voorschrift, Training Regulations No. 435-250 Anti-aircraft searchlight drills - Engeland Voorschrift, 26/Manuals/793 Anti-Aircraft Searchlight Drills - Engeland Voorschrift, 26/Manuals/1592 Coast Artillery Drills, Part I, Pamphlet No. 5, Instruments in the Battery Observation Post-General, 1938 - Engeland Voorschrift Coast Artillery Drills, Part I - Pamphlet No. 7, The Decoder, Fall-of-Shot, 1938 - Engeland Voorschrift
