VOLUME XXIV JULY-OCTOBER, 1945 nos. 3-4 



THE BELL SYSTEM 



TECHNICAL JOURNAL 



DEVOTED TO THE SCIENTIFIC AND ENGINEERING ASPECTS 

 OF ELECTRICAL COMMUNICATION 



Physical Limitations in Electron Ballistics . J. R. Pierce 305 

 Electron Ballistics in High-Frequency Fields A. L. Samuel 322 

 Dynamics of Package Cushioning Raymond D. Mindlin 353 

 Abstracts of Technical Articles by Bell System Authors 462 

 Contributors to this Issue 467 



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