Steam, hot-water and gas distribution systems : Repairs and utilities - USA Voorschrift, Technical Manual, 5-652 Switchboards BD-71, BD-72, BD-72-A and BD-72-B - USA Voorschrift, Technical Manual, 11-330 Radio transmitter-receiver type 1505 (250 watts) and Associated Equipment - USA Voorschrift, Technical Manual, 11-823 Beacon transmitter-receiver AN/PPN-2 - USA Voorschrift, Technical Manual, 11-1145 Supply of ground units by air - USA Voorschrift, Basic Field Manual, 31-40 Cannon Company, Intanfry Regiment. - USA Voorschrift Field Manual 7-37 Wind equipment SCM-20-A and wind equipment AN/GMQ-1 - USA Voorschrift, Technical Manual, 11-429 Instructions for learning international morse characters - USA Voorschrift, Technical Manual, 11-459 Radio receivers BC-312-(*), BC-312-(*)X, BC-342-(*), BC-314-(*) and BC-344-(*). - USA Voorschrift, Technical Manual, 11-850 Identification equipment PH-385 - USA Voorschrift, Technical Manual, 11-403 Manual for the full-track vehicle driver - USA Voorschrift, Technical Manual, 21-306 Switchboard BD-96 : repair instructions operational requirements - USA Voorschrift, Technical Manual, 11-4314