Supplement no.3 to Army/Air Operations Pamphlet no.4. (Chapter 3). Carriage of Artillery. Equipment bij Air. Section 7, Ordnance of 40-mm A.A. MK 1/2 on mounting … Supplement no.3 to Army/Air Operations, Pamphlet no.4. (Chapter 3). Carriage of Artillery Equipment by air. Section 8. Gun, Machine, Polsten 20 mm. Mark I on … Supplement no.3. to Army/Air Operations Pamphlet no.4. (chapter 3). Carriage of Artillery. Equipment by Air. Section 2, Q.F. 6-Ponder. 7-CWT. Mk 4 Gun on carriage … Supplement no.3. to Army/Air Operations Pamphlet no.4 (chapter 3). Army/Air Operations Pamphlet. Carriage of Vehicles bij Air. Section 4, Q.F. 25 Ponder. Mark 2, Gun … Supplement no.3 to Army/Air Operations Pamphlet no.4. (Chapter 3). Carriage of Artillery. Equipment bij Air. Section 6, Q.F. 17 Ponder, Mark 1 Gun on Carriage … Supplement no.3 to Army/Air Operations Pamphlet no.4. (chapter 3). Carriage of Artillery. Equipment by air. Section 3, Q.F. 3.7 Howitzer, Mark 1 on carriages 3-7 … 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 …