Telephone central office set TC-10 - USA Voorschrift, Technical Manual, 11-338 Local-battery telephone equipment - USA Voorschrift, Technical Manual, 11-457 Radar / American Telephone and Telegraph Co. Telephone central office set TC-12 - USA Voorschrift, Technical Manual, 11-336 Telephone central office set TC-2 - USA Voorschrift, Technical Manual, 11-340 Common-battery telephone equipment - USA Voorschrift, Technical Manual, 11-458 Principles of long distance telephone and telegraph transmission - USA Voorschrift, Technical Manual, 11-475 Telephone repeater EE-89-A - USA Voorschrift, Technical Manual, 11-2006 Test set I-142 and test set I-142-A (telephone) - USA Voorschrift, Technical Manual, 11-2062 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 Signal : Commercial telephone, telegraph and electric time service, general - USA Voorschrift, Army Regulations, No. 105-30 Operating practices for army administrative telephone switchboards - USA Voorschrift, Technical Manual, 24-210