military training pamphlet Mines and booby traps : The breaching of minefields - Engeland Voorschrift, 26/GS Publications/982 military training pamphlet Mines and booby traps : How to deal with individual mechanisms - Engeland Voorschrift, 26/GS Publications/981 military training pamphlet Mines and booby traps : Laying and recording of British mines - Engeland Voorschrift, 26/GS Publications/1167 military training pamphlet Mines and booby traps : Enemy methods of minelaying (illustrated) - Engeland 26/GS Publications/1344 Notes on military railway engineering : Bridging: Supplement No. 1: The unit construction railway bridge military training pamphlet Field engineering (all arms) : Demolitions - Engeland Voorschrift, 26/GS Publications/1367 military training pamphlet Dannert concertina wire obstacles (provisional) - Engeland Voorschrift, 26/GS Pubns./113 military training pamphlet Dannert concertina wire : Instructions for closing and fastening (provisional) - Engeland Voorschrift, 26/GS Pubns./227 Siege artillery drill 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. Vol. II : Wireless - Engeland Voorschrift, 26/Manuals/1577