Operating practices for army administrative telephone switchboards - USA Voorschrift, Technical Manual, 24-210 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 Telephone central office set TC-10 - USA Voorschrift, Technical Manual, 11-338 Local-battery telephone equipment - USA Voorschrift, Technical Manual, 11-457 Signal : Commercial telephone, telegraph and electric time service, general - USA Voorschrift, Army Regulations, No. 105-30 Working Instructions. Telephone Set, L. WO 1530 - Engeland Voorschrift Naamlijst van de telefoontoestellen d5 en d5a (telephone sets d mk v; mk v*) - Koninklijke Landmacht Voorschrift no. 6064 technical manual Telephone repeater TP-14 - USA voorschrift Technical Manual 11-2007 Telephone Terminal Set TC-21 (N) (Carrier) - USA Voorschrift, Technical Manual, 11-341 Working Instructions. Part I and II. Apparatus Carrier Telephone (1en 4). MK II. WO 939 - Engeland Voorschrift Working Instructions. Telephone Set. J. WO 1554 - Engeland Voorschrift
