Index to Volume XI 



A 



Acoustic Impedance, A Method of Measuring, P. B. Flanders, page 402. 



Affel, II. A., W. S. Gorton and R. W. Chcsnut, A New Key West-Havana Carrier 



Telephone Cable, page 197. 

 Air Transportation, Wire Communication Aids to, H. H. Nance, page 462. 

 Amplifiers, Class B and Class C, The Operation of Vacuum Tubes as, C. E. Fay 



page 28. > • • » 



Amplifiers, High-Frequency, Transformer Coupling Circuits for, A. J. Christopher 

 page 608. 



Avery, C. R. and H. Kress, Cellulose Acetate Treatment for Textile Insulation- 

 Development of the Manufacturing Process, page 231. 



B 



Blackwell, O. B., The Time Factor in Telephone Transmission, page 53. 

 Brobst, D. R. and E. B. Wood, Cellulose Acetate Treatment for Textile Insulation 

 — Engineering Development, page 213. 



C 



Cable, Long Distance Telephone Circuits in, A. B. Clark and H. S. Osborne, page 



Cable, A New Key West-Havana Carrier Telephone, H. A. Affel, W. S. Gorton 

 and R. W. Chcsnut, page 197. 



Csesium-Oxygen-Silver Photoelectric Cell, The, C. H. Prescott, Jr. and M. J. 

 Kelly, page 334. 



Carrier Systems, Precision Methods Used in Constructing Electric Wave Filters 

 for, G. R. Harris, page 264. 



Carrier Telephone Cable, A New Key West-Havana, H. A. Affel, IV. S. Gorton 

 and R. W. Chesnnt, page 197. 



Cathode Ray Oscillograph, The, /. B. Johnson, page 1. 



Cathode Sputtering — A Commercial Application, Hal F. Fruth, page 283. 



Cellulose Acetate Treatment for Textile Insulation — Engineering Development 

 E. B. Wood and D. R. Brobst, page 213. 



Cellulose Acetate Treatment for Textile Insulation— Development of the Manu- 

 facturing Process, C. R. Avery and H. Kress, page 231. 



Chestiut, R. W., W. S. Gorton and H. A. Affel, A New Key West-Havana Carrier 

 Telephone Cable, page 197. 



Christopher, A. J., Transformer Coupling Circuits for High-Frequency Amplifiers, 

 page 608. 



Clark, A. B. and H. S. Osborne, Long Distance Telephone Circuits in Cable page 

 520. 



Conception and Demonstration of Electron Waves, The, C. J. Davisson, page 546. 



Condenser Microphone System, An Efficient Miniature, H. C. Harrison and P. B. 



Flanders, page 451. 

 Constant Frequency Oscillators, F. B. Llewellyn, page 67. 

 Contemporary Advances in Physics, XXIII — Data and Nature of Cosmic Rays, 



Karl K. Darrow, page 148. 

 Contemporary Advances in Physics, XXIV — High-Frequency Phenomena in Gases, 



First Part, Karl K. Darrow, page 576. 



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