Gun Drill for Q.F. 17 Ponder. Mark I, on Carriage 17 Ponder, Mark I - Engeland Voorschrift 26/GS Publications/1489 WO 7118 Gun Drill for Q.F. 4.5-inch Gun, Mark II, on A.A. Mark I Mounting : Land Service : Provisional 1942 - Engeland Voorschrift 26/GS Publications/1098 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 Gun drill for Q.F. 25-Pr., Mark II gun on carriage 25-Pr., Mark I Gun Drill for Q.F. 25 Ponder. Mark 2 Gun on RAM Chassis (S.P. 25 Ponder Sexton) - Engeland Voorschrift 26/GS Publications/1532 WO 7103 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 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 … Gun Drill for Q.F. 6 PR., 7-CWT. Gun on Carriage 6-PR., Marks 1, 1A, and II - Engeland Voorschrift 26/GS Publications/1148 WO 7342