Signal Training. Pamphlet no. 18. Volume III. Aerial Coupling Equipment "B". WO 7566 Signal Training. Pamphlet no.26. Volume III. Switchboard U.C. 10-Line and 6 Line. WO 7567 Signal Training Pamphlet no.1. Maintenance of Signal Equipment in the Field. Volume III. General Principles of Maintenance. WO 8505 Signal Training. Pamphlet no. 1. Volume no. 1. Signal Organization and Tactics.The Higher Organization of Signals. WO 8506 Signal Training. (All Arms). Pamphlet no.9. Training. WO 7068 Signal Training. (All Arms). Pamphlet no.2. Visual Signalling, 1942. WO 7211 Signal Training. Pamphlet no. 4. Construction and Maintenance ofLines. Part III. Poled Cable and Multi-Airline. WO 8256 Signal Training. (All Arms). Pamphlet no.4. Wireless Signalling. WO 7213 Signal Training. (All Arms). Pamphlet no.12. Signal Security. Part II. Breaches of Wireless Security, 1946. WO 7081 Signal Training. (All Arms). Pamphlet no.5, 1945. Procedure for morse telegraphy, Line Telefhony and Visual Signalling. WO 7040 - Signal Training. (All Arms). Pamphlet no.6. … Radio telegrafisten opleiding / Depot Verbindingsdienst