Army Air Operations Pamphlet. no.4, (Chapter 3), supplement no.3. Carriage of Artillery Equipment by Air. Section 1, Q.F. 25 Ponder, Mark 2 Gun on Carriage … Working Instructions. no. 1. Wireless Set no.38. Mark III. WO 1073 - Engeland Voorschrift Handbook for the Ordnance, Q.F. 6 Ponder, 7-CWT. Mark II on Carriage 6 Ponder, Marks I, 1 A and II. Land Service. W0 796 - … Handbook for Ordnance Q.F. 2 Ponder, Marks IX and X on Carriages Q.F. 2 Ponder, Marks I and II. Land Service. WO 795 - Engeland … Handbook of the 40 mm. 2 Ponder Automatic Gun. Marks B* & C*. (Ordnance Q.F. 2 Ponder Marks I & II. No. 53400 G - … Compendium of British and German regimental markings / comp. and ed. by Gordon Hughes and Chris Fox Handbook of the B.L., 6 inch 26 CWT, Mark I, Howitzer on Mark I. Travelling Carriage. (Land Service). 1917 WO 3496 - Engeland Voorschrift 40/W.O./3496 Working Instructions. Wireless Set no.38. Mark II and II*. WO 1071 - Engeland Voorschrift Working Instructions. Part I. Wireless Sets no.19. mark I, Mark II, and Mark III. WO 1055 - Engeland Voorschrift Handbook for the ordnance, Q.F.25-Pounder : Marks II and III on carriage, 25-Pounder Mark I and Mounting, S.P.25-Pounder C Mark I and Mounting, Valentine, 25-Pounder …