Service of the piece : 8-inch gun M1 and 240-mm Howitzer M1 - USA War Department Field Manual, FM 6-95 Switchboard BD-96 : repair instructions operational requirements - USA Voorschrift, Technical Manual, 11-4314 Operating practices for army administrative telephone switchboards - USA Voorschrift, Technical Manual, 24-210 Detector set AN/VRS-1 - USA Voorschrift, Technical Manual, 11-1138 Crystal test set TS-314/FSM-1 (Ray Jefferson model AF-30) - USA Voorschrift, Technical Manual, 11-2674 Maintenance equipments ME-13-A, B, C, and D - USA Voorschrift, Technical Manual, 11-306 Ringing equipments EE-100-T1, EE-100-A (voice frequency) and EE-101-A (voice frequency) : repair instructions operational requirements - USA Voorschrift, Technical Manual, 11-4409 Wire dispenser MX-306/G - USA Voorschrift, Technical Manual, 11-2240 Radio sets SCR-584-A and SCR-584-B : Service manual : Theory, trouble shooting and repair - USA Voorschrift, Technical Manual, 11-1524 Administrative procedures for communications services - USA Voorschrift, Technical Manual, 24-205 Service manual for radio equipments RC-182-A and RC-282-A : Theory, trouble shooting and repair - USA Voorschrift, Technical Manual, 11-1508 Signal generator TS-343/U - USA Voorschrift, Technical Manual, 11-1233
