Index to Volume XXVIII 



Admiltances, Klcctronic, of Parallel-Plane Electron Tubes al 4000 Megacycles, Sloan D. 



Robertson, page 619. 

 Admittances, I^assive Four-Pole, of Microwave Triodes, Sloan D. Robertson, page 647. 

 Alberslieim, W. J., Propagation of TEoi Waves in Curved Wave Guides, page 1. 

 Alsher^, D. A. and D. Leed, A Precise Direct Reading Phase and Transmission Measuring 



System for Video Frequencies, j)age 221. 

 Amplification b)' Interaction between Two Electron Streams, Experimental Observation 



of, .4. ]'. Hollenberg, page 52. 

 Amplifier, High-Frequenc\-, A New Type of, J . R. Pierce and W. B. Hebenstreil, page ii. 



B 



Band Width and Transmission Performance, C. B. Feldman and W . R. Bennett, page 490. 



Bardeen, J., On the Theory of the A-C. Impedance of a Contact Rectifier, page 428. 



Bardeen, J. and IV. H. Brattain, Physical Principles Involved in Transistor Action, 

 page 239. 



Bennett, \V. R. and C. B. Feldman, Band Width and Transmission Performance, page 490. 



Bennett, W. R. and L. C. Peterson, The Electrostatic Field in Vacuum Tubes with Arbi- 

 trarily Spaced Elements, page 303. 



Brattain, W . H. and J. Bardeen, Physical Principles Involved in Transistor Action, 

 page 239. 



Broad-Band Microwave Noise Source, A, W. W. Muniford, page 608. 



Brogle, A. P. Jr., The Design of Reactive Equalizers, page 716. 



Cable, Buried, Lightning Current Observations in, H. M. Trueblood and E. D. Sunde, 



page 278. 

 Carrier Program Circuits, Eight-Kilocycle, Delay Equalization of, C. H. Dagnall and P. 



W . Rounds, page 181. 

 Carrier Program Systems; Band Pass Filter, Band Elimination Filter and Phase Simulating 



Network for, F. S. Farkas, F. J. Hallenbeck, and F. E. Slehlik, page 196. 

 Carrier System for 80C0-Cycle Program Transmission, A, R. A. Leconte, D. B. Penick, 



C. W . Schramm, and A. J. Wier, page 165. 

 Communication Theorj- of Secrecy Sj'stems, C. E. Shannon, page 656. 



Dagnall, C. H. and P. W. Rounds, Delay Equalization of Eight-Kilocycle Carrier Program 



Circuits, page 181. 

 Dennis, F. R. and E. P. Felch, Reactance Tube Modulation of Phase Shift Oscillators, 



page 601. 

 Diflerential Ecjuations, A Set of Second-Order, Associated with Reflections in Rectangular 



Wave Guides — Application to Guide Connected to Horn, 5. O. Rice, page 136. 



£ 



Editorial Note regarding Semiconductors, page 335. 



Electron Streams, Two, Exjjerimental Observation of Amplification bj- Interaction Be- 

 tween, A. V. Hollenberg, page 52. 



Electron Tube Performance, Transconductance as a Criterion of, T. Slonczeicski, page 315. 



Electron Tubes, Parallel-Plane, at 4000 Megacycles, Electronic Admittances of, Sloan D. 

 Robertson, page 619. 



