INDEX 



29 



Wolfertz, W. F. 

 amplifier 

 transistor 

 junction 

 tetrode 840 

 Wolontis.V.M. 



amplifier, traveling wave 

 large signal theory 373 

 Wrathall, Leishman R. 



biographical material 1237 

 Transistorized Binary Pulse Regener- 

 ator 1059-84 

 Writing 



magnetic drum 712-13 

 Wyckoff, Miss E. V. 



toll traffic study 445 



Young, James A., Jr. 

 biographical material 1466 

 Helix Waveguide 1347-84 



Zone Leveler illus 656 

 Zone Leveling 



germanium 



apparatus 655-60 illus 656 

 technique 655-60 



principles, basic 638-41 

 Zone Melting 



defined 637 

 Zone Refining 



germanium 637 



Printed in U. S. A. 



