THE BELL SYSTEM 



TECHNICAL JOURNAL 



VOLUME XIII, 1934 

 Table of Contents 



January, 1934 



Stabilized Feedback Amplifiers — H. S. Black 1 



Open-Wire Crosstalk — A. G. Chapman 19 



Vacuum Tube Electronics at Ultra-high Frequencies — 



F. B. Llewellyn 59 

 Contemporary Advances in Physics, XXVII — The Nucleus, 



Second Part — Karl K. Darrow 102 



April, 1934 



The Carbon Microphone: An Account of Some Researches Bear- 

 ing on Its Action — F. S. Goticher 163 



Open -Wire Crosstalk — A. G. Chapman 195 



Symposium on Wire Transmission of Symphonic Music and Its 

 Reproduction in Auditory Perspective: 



Basic Requirements — Harvey Fletcher 239 



Physical Factors — /. C. Steinberg and W. B. Snow 245 



Loud Speakers and Microphones — E. C. Wenteand A. L. Thuras 259 



Amplifiers — E. 0. Scriven 278 



Transmission Lines — H. A. Affel, R. W. Chesnut and R. 11. Mills 285 

 System Adaptation — E. II. Bedell and Iden Kerney 301 



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