Contributors to this Issue 



M. L. Almquist, B.S. in Electrical Engineering, University of 

 California, 1920. General Electric Company, 1920-21. American 

 Telephone and Telegraph Company, Department of Development and 

 Research, 1921-1934; Bell Telephone Laboratories, 1934-. Mr. 

 Almquist has been engaged in transmission development work on 

 carrier telephone systems. 



F. H. Best, M.E., Cornell University, 1911. American Telephone 

 and Telegraph Company, Engineering Department, and Department of 

 Development and Research, 1911-34. Bell Telephone Laboratories, 

 1934-. Mr. Best has been engaged principally in the development of 

 methods and arrangements used in maintaining the transmission 

 efficiency of telephone circuits. 



R. W. Chesnut, A.B., Harvard University, 1917; War Department 

 of French Government, 1917; U. S. Army, 1917-19. Western Electric 

 Company, Engineering Department, 1920-25; Bell Telephone Labora- 

 tories, 1925-. Mr. Chesnut has been engaged in the development of 

 carrier telephone and long-wave radio systems. 



Paul S. Darnell, B.S. in Electrical Engineering, University of 

 Pennsylvania, 1922; M.A., Columbia University, 1925. Western 

 Electric Company, Engineering Department, 1922-1925; Bell Tele- 

 phone Laboratories, 1925-. Mr. Darnell's work has been primarily 

 in connection with the development of retardation coils for operation 

 at voice and carrier frequencies. 



Clifford E. Fay, B.S. in Electrical Engineering, Washington Uni- 

 versity, 1925; M.S., 1927. Bell Telephone Laboratories, 1927-. Mr. 

 Fay has been engaged principally in the development of power vacuum 

 tubes for radio purposes. 



H. J. Fisher, E.E., Cornell University, 1920; U. S. Signal Corps, 

 1917-19. Western Electric Company, Engineering Department, 

 1920-25; Bell Telephone Laboratories, 1925-. Mr. Fisher has been 

 engaged in the development of toll switching and transmission systems. 



C. W. Green, B.S. in Electrical Engineering, LIniversity of Wiscon- 

 sin, 1907; Instructor and Assistant Professor, Massachusetts Institute 



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