Storage batteries for signal communication except those pertaining to aircraft - USA Voorschrift, Technical Manual, 11-430 Electrical communication systems equipment - USA Voorschrift, Technical Manual, 11-487 Electrical communication systems engineering - USA Voorschrift, Technical Manual, 11-486 Facsimile equipment RC-120, Rc-120-A an RC-120-B, and facsimile set AN/TXC-1 - USA Voorschrift, Technical Manual, 11-375B Telegraph central office set TC-3 and switchboard BD-100 - USA Voorschrift, Technical Manual, 11-358 Common-battery telephone equipment - USA Voorschrift, Technical Manual, 11-458 Principles of long distance telephone and telegraph transmission - USA Voorschrift, Technical Manual, 11-475 Schematic diagrams for maintenance of ground radio communication sets - USA Voorschrift, Technical Manual, 11-310 Signal communication equipment directory : radio communication equipment - USA Voorschrift, Technical Manual, 11-227 Carrier terminal OA-13/FC, carrier repeater OA-10/FC, and carrier filter F-36/FC (type H carrier telephone packaged equipment) - USA Voorschrift, Technical Manual, 11-2025 Reperforator teletypewriter sets TG-16 and TG-17 - USA Voorschrift, Technical Manual, 11-2201 Target Range communication systems - USA Voorschrift, Technical Manual, 11-431