technical regulations Fortification : field fortification for artillery / prepared under direction of the Chief of Engineers technical bulletin / war department Electric wiring List of war department films, film strips, and recognition film slides, April 1945 - USA War Department Field Manual, FM 21-7 4.2 inch Mortar M2. FM 23-92 Howitzer, 105-mm, M2A1; Carriage, Howitzer, 105-mm, M2A1 and M2A2; Mount, Howitzer, 105-mm, M4 and M4A1 war department field manual Camouflage of bivouacs, command posts, supply points, and medical installations technical manual 105-mm howitzer M2A1, 105-mm howitzer recoil mechanisms M2A1, M2A2, and M2A3, 105-mm howitzer carriages M2A1 and M2A2, and 105-mm howitzer mounts M4 and M4A1 tm Instrument lights M19, M31, M34, M35, M37, M38, M47, 6578454 and 7983714, 1955 Informal combined operator's manual, maintenance manual and parts identification list for semi-trailer, low bed rear loading 25 ton / by Dorsey Trailers Insert for informal combined operator's manual, maintenance manual and parts identification list for semi-trailer, low bed, rear loading 25 ton / by Dorsey Trailers [et … Informal combined operator's manual, maintenance manual and parts identification list for semi-trailer, low bed rear loading 25 ton / by Eidel Manufacturing Company technical manual Operator's Manual (Crew) for Howitzer, Medium, Towed: 155MM, M198 (1025-01-026-6648)