Signal Training Pamphlet no. 4. Construction and Maintenance of Lines. Part I. General Principles. WO 7056 Training regulations : Signal corps Signal training : Vol. II Signal training. Vol. III : Telephone sets F., marks I and I* Signal training : Signal training pamphlets which will contain the latest ideas on subjects with in signal training Signal training : Signal training pamphlets which will contain the latest ideas on subjects dealt with in Signal Training training regulations Cavalry : drill and combat signals / prep. under direction of the Chief of Cavalry - United Staten War Department Training Regulations TR 425-20 Signal training : Construction and maintenance of lines Signal training : Training Signal Training. (All Arms). Pamphlet no.5. Procedure for Morse Telegraphy, Line Telephony and Visual Signalering. WO 7040 Signal Training. (All Arms). Pamphlet no.5. Signal Procedure. Part II. Procedure for Morse Telegraphy, Line Telephony and Visual Signalering, WO 7040 Training Memorandum. no. 4. Royal Signals. WO 7556
