Abstracts of Technical Articles from Bell System Sources 



In January, 1932, a series of seven lectures by representatives of the 



Bell Telephone System was given before the Lowell Institute of Boston, 



Massachusetts. The general title of the series was "The Application 



of Science in Electrical Communication." 

 The lectures were as follows: 



"Social Aspects of Communication Development," by Arthur W. 

 Page, A.B., Vice President, American Telephone and Telegraph 

 Company. 



"An Introduction to Research in the Communication Field," by H. D. 

 Arnold, Ph.D., Sc.D., Director of Research, Bell Telephone 

 Laboratories. 



"Researches in Speech and Hearing," by Harvey Fletcher, Ph.D., 

 Acoustical Research Director, Bell Telephone Laboratories. 



"Transoceanic Radio Telephony," by Ralph Bown, Ph.D., Depart- 

 ment of Development and Research, American Telephone and 

 Telegraph Company. 



"Talking Motion Pictures and Other By-Products of Communication 

 Research," by John E. Otterson, President, Electrical Research 

 Products, Inc. 



"Utilizing the Results of Fundamental Research in the Communica- 

 tion Field," by Frank B. Jewett, Ph.D., D.Sc, Vice President, 

 American Telephone and Telegraph Company, President, Bell 

 Telephone Laboratories. 



"Picture Transmission and Television," by Herbert E. Ives, Ph.D., 

 Sc.D., Electro-Optical Research Director, Bell Telephone Labora- 

 tories. 

 These lectures comprise a book entitled Modern Communication 



recently published by Houghton MifBin Company, Boston and New 



York. 



Three Superfluous Systems of Electromagnetic Units} George A. 

 Campbell. At the present time the electromagnetic, electrostatic, 

 Heaviside-Lorentz, practical and international systems of electric and 

 magnetic units are used side by side in pure and applied electro- 

 magnetism. The question is here raised whether the use of this 

 multiplicity of units should continue indefinitely into the future when 



1 Physics, November, 1932. 



119 



