Engineering-Technical Reference Book on Electrical Communication (Chapters 5, 11, and Appendix 2)

摘要

CONTENTS: Automation of telegraph communications; Systems of automation of telegraph communications; Semiautomatic system, Telegraph exchange with coded commutation of telegrams ('Liman'), System of direct couplings, Central telegraph station (TsTS); Bases of design of (TsTS), Distributing frame, Line-instrument room of vora-frequency telegraph (LAZ TT), Instrument rooms, Automatic switching telegraph station of direct couplings (APS), Stations of subscriber telegraph, Phototelegraph, Mechanization of transport of telegrams, and Data of Soviet start-stop apparatus ST-35, RTA-50 and their modifications.