iv THE BELL SYSTEM TECHNICAL JOURNAL, OCTOBER 1951 



Some Circuit Properties and Applications of n-p-n Transistors — R. L. 



Wallace, Jr. and W. J. Pietenpol 530 



A Photographic Method for Displaying Sound Wave and Microwave 



Space Patterns — W. E. Kock and F. K. Harvey 564 



Some Basic Concepts of Translators and Identifiers Used in Telephone 



Switching Systems — H. H. SchnecUoth 588 



Waves in Electron Streams and Circuits — J. R. Pierce ^26 



Interaxial Spacing and Dielectric Constant of Pairs in Multipaired 



Cables — J. T. Maupin 652 



iV-Terminal Switching Circuits — E. N. Gilbert 668 



Coaxial Impedance Standards — R. A . Kempf 689 



Instantaneous Compandors — C. O. Mallinckrodt 706 



The Evolution of Inductive Loading for Bell System Telephone Facili- 

 ties (Continued) — Thomas Shaw 721 



October i951— part i 



Dr. C. J. Davisson— Af. J. Kelly 779 



The Scientific Work of C. J. D^isson— i^Tar/ K. Darrow 786 



Inorganic Replication in Electron Microscopy — C. /. Calbick 798 



A Gun for Starting Electrons Straight in a Magnetic Field — J, R. 



Fierce 825 



Electron Streams in a Diode — Frank Gray 830 



The Davisson Cathode Ray Television Tube Using Deflection Modu- 

 lation — A . G. Jensen 855 



Electron Transmission Through Thin Metal Sections with Applica- 

 tion to Self-Recovery in Cold Worked Aluminum — R. D. 



Heidenreich 867 



On the Reflection of Electrons by Metallic Crystals — L. A . MacColl. ... 888 

 The Use of the Field Emission Electron Microscope in Adsorption 



Studies of W on W and Ba on W— J. A. Becker 907 



Heat Dissipation at the Electrodes of a Short Electric Arc — L. H. 



Germer .' 933 



Detwinning Ferroelectric Crystals — Elizabeth A. Wood 945 



Longitudinal Modes of Elastic Waves in Isotropic Cylinders and 



Slabs— ^. N. Holden 956 



Frequency Dependence of Elastic Constants and Losses in Nickel — 



R. M. Bozorth, W. P. Mason and H. J. McSkimin 970 



Hot Electrons in Germanium and Ohm's Law — W. Shockley 990 



October i95i— part ii 



The TD-2 Microwave Radio-Relay System— yl. A. Roetken, K. D. 



Smith and R. W. Friis 1041 



