Index to anti-aircraft publications and films. 1944. WO 7390 Artillery Training. Gunnery, Volume IV. Pamphlet no. 18. Predictor A.A. no. 4. WO 7022 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. …
