SUMMARY TECHNICAL REPORT OF THE 



COMMITTEE ON PROPAGATION, NDRC 



VOLUME 1 



HISTORICAL AND 

 TECHNICAL SURVEY 



DATA LIBRARY 



OFFICEOF SCIENTIFIC RESEARCH AND DEVELOPMENT 

 VANNEVAR BUSH, DIRECTOR 



NATIONAL DEFENSE RESEARCH COMMITTEE 

 JAMES B. CONANT, CHAIRMAN 



COMMITTEE ON PROPAGATION 

 CHAS. R. BURROWS, CHAIRMAN 



WASHINGTON, D. C, 1946 



