Signal training. Vol. V: Signal training pamphlets which will contain the latest ideas on subjects dealt with in Signal Training : Procedure for teleprinter operating … Signal training : Construction and maintenance of lines : General principles - Engeland Voorschrift, 26/GS Publications/1497 All Informed or A Staff Officer's Guide to Signals Military engineering : Railways / Army Council - Engeland Voorschrift, 26/Manuals/103 Signal training. Vol. II : Line telephony and telegraphy - Engeland Voorschrift, 26/Manuals/1578 Signal training. Pamphlet No. 1: Construction and maintenance of lines : Field cables - Engeland Voorschrift, 26/GS Publications/652 Army/air operations. Pamphlet No. 3: Air reconnaissance : General - Engeland Voorschrift, 26/GS Trg Publications/1621 Methods of inter-communication (other than visual) employed in forward areas - Engeland Voorschrift, 40/War Office/7235 Line telegraphy and telephony (lines) - Engeland Voorschrift, 40/W.O./7320 Signal Training (All Arms) - Engeland Voorschrift, 26/Manuals/997 Signal training. Vol. II : Wireless - Engeland Voorschrift, 26/Manuals/1577 Signal training. Pamphlet No. 1: Construction and maintenance of lines : Principles of construction - Engeland Voorschrift, 26/GS Pubns/387