Repeater, telephone, 2-circuit electrical and mechanical engineering regulations Repeater, telephone, 2-circuit : First Echelon Work Reference data for radio engineers Reference data for radio engineers 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 Working Instructions. Telephone Set D MK V. WO 1529 - Engeland Voorschrift Working Instructions. Telephone Sets F. MKS I, I* & II. WO 1527 - Engeland Voorschrift Voorschrift voor de veldtelefoon. (The Soundpowered-telephone) - KNIL Voorschrift Telephone switchboard operator : instructors guide for all arms / prepared under the direction of the chief signal officer Signal Training. Pamphlet no. 8. Signal Office Organization and Procedure. Part II. Procedure for Telephone Switchboard Operating. 1945 - Engeland Voorschrift
