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 Naamlijst van de telefoontoestellen d5 en d5a (telephone sets d mk v; mk v*) - Koninklijke Landmacht Voorschrift no. 6064 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 Test set I-142 and test set I-142-A (telephone) - USA Voorschrift, Technical Manual, 11-2062 technical manual Telephone repeater TP-14 - USA voorschrift Technical Manual 11-2007 Signal Training. Pamphlet no. 8. Signal Office Organization and Procedure. Part II. Procedure for Telephone Switchboard Operating. 1945 - Engeland Voorschrift Working Instructions. Telephone Sets F. High Power no. 1, Mk. II. WO 1024 - Engeland Voorschrift
