Signal Training Pamphlet no. 3. Part I. Waterproving of signal equipment for protection during wading. (Provisional). WO 7570 Signal Training. (All Arms). Pamphlet no.5. Signal Procedure. Part II. Procedure for Morse Telegraphy, Line Telephony and Visual Signalering, WO 7040 Signal Training. (All Arms). Pamphlet no.2. Visual Signalling, 1942. WO 7211 Engineer Field Manual. Military Engineering (Tentative) Part One. Communications Field Service Pocket Book Part I. Pamphlet no. 4. Appreciations, Orders, Messages and Intercommunication
