Index to Volume IX 



Approximate Networks of Acoustic Filters, The, JV. P. Mason, page 332. 

 Auditoriums, Optimum Reverberation Time for, Walter A. MacNair, page 390. 



B 



Baldwin, M. W., Herbert E. Ives and Frank Gray, Image Transmission System for 



Two-Way Television, page 448. 

 Blattner, D. G. and L. G. Bostivlck, Sound Transmission System for Two- Way 



Television, page 478. 

 Bode, H. W., A Method of Impedance Correction, page 794. 

 Bostzmck, L. G. and D. G. Blattner, Sound Transmission System for Two-Way 



Television, page 478. 

 Bowen, A. E. and C L. Gilkeson, Mutual Impedances of Ground-Return Circuits — 



Some Experimental Studies, page 628. 

 Boivn, Ralph, Transoceanic Telephone Service — Short-Wave Transmission, page 



258. 

 Brand, S. and H. Nyquist. Measurement of Phase Distortion, page 522. 

 Broadcasting, National, Wire Line Systems for, A. B. Clark, page 141. 



Cable Circuit, Long Distance, for Program Transmission, A. B. Clark and C. IV. 

 Green, page 567. 



Cables, Long Distance, in the United States of America, Some Recent Develop- 

 ments in, A. B. Clark, page 487. 



Carson, John R., Notes on the Heaviside Operational Calculus, page 150. 



Carson, John R., The Reciprocal Energy Theorem, page 325. 



Carter, Charles W., Jr.. Norman R. French, and Walter Koenig, Jr., The Words 

 and Sounds of Telephone Conversations, page 290. 



Chemistry in the Telephone Industry, Robert R. Williams, page 603. 



Clark, A. B., Wire Line Systems for National Broadcasting, page 141. 



Clark, A. B., Some Recent Developments in Long Distance Cables in the United 

 States of America, page 487. 



Clark, A. B. and C. JV. Green, Long Distance Cable Circuit for Program Trans- 

 mission, page 567. 



Contemporary Advances in Physics, XIX. Fusion of Wave and Corpuscle The- 

 ories, Karl K. Darrozv, page 163. 



Contemporary Advances in Physics, XX. Ionization of Gases by Light, Karl K. 

 Darrozv, page 341. 



Contemporary Advances in Physics, XXI. Interception and Scattering of Elec- 

 trons and Ions, Karl K. Darrozv, page 668. 

 Control, Economic Quality, of Manufactured Product, W. A. Shezvhart, page 364. 

 Corpuscle Theories, Fusion of Wave and, Karl K. Darrozv, page 163. 



Darrozv, Karl K.. Contemporary Advances in Physics, XIX. Fusion of Wave and 

 Corpuscle Theories, page 163. 



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