780 THE BELL SYSTEM TE'JHNICAL JOURNAL, JULY 1953 



overall transmission performance and reliability have been adhered to. 

 The new system is now in commercial serivce and large scale applica- 

 tion is planned. 



The following articles discuss (1) the over-all systems, together with 

 its fundamental design problems, (2) the methods developed for equali- 

 zation and regulation, (3) the broadband amplifying techniques, (4) the 

 circuits for transmitting and receiving television, (5) the requirements 

 established for controlling the performance of component elements, and 

 (6) the application of these requirements in manufacturing. 



E. I. Green 



