Directions for the use of Anti-Aircraft Artillery Instruments Drill. Pamphlet no. 7. Predictor. 3.7 inch A.A. no. 2, Mark I; 3 inch, 20 CWT. A.A. … Artillery Training. Gunnery, Volume IV. Pamphlet no. 18. Predictor A.A. no. 4. WO 7022 Artillery Training. Volume IV. Part I. Pamphlet no. 22. A.A. Gunnery, Predictor A.A. no. 10. WO 7047 Artillery Training. Volume IV. Part I. Pamphlet no. 31. A.A. Gunnery, Fire Control With Predictor A.A. no. 10. WO 7079