832 the bell system technical journal, july 1953 



Acknowledgements 



A system as complex as the L3 system is the result of a large scale 

 cooperative development effort involving many Departments in Bell 

 Laboratories. More than a hundred engineers and technicians have 

 contributed to the design over a period of seven years. In the system 

 planning aspects of the development covered by this paper particular 

 mention should be made of the large contributions of L. G. Abraham, 

 C. H. Bidwell and S. E. Miller. 



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