Electronic navigation systems
Series: Summary technical report of Division 13, NDRC -- volume 2B
Published: 1946
Language: eng
Subjects: Aids to air navigation; Military research; Military Aeronautics
Other titles: Summary technical report of the National Defense Research Committee
Notes: Title on half-title page: Summary technical report of the National Defense Research Committee.

"The present volume was originally prepared by Central Communications Research, Cruft Laboratory, Harvard University, as Part II of the final report on Contract OEMsr1441. Front and rear matter, prepared by the Summary Reports Group of the Columbia University Division of War Research under contract OEMsr-1131 with the Office of Scientific Research and Development, has been printed by and the volume bound by the Columbia University Press"--Unnumbered page ii.

LC Science, Business & Technology copy no. 239.

In a set of declassified documents held as a collection by the Library of Congress.

Includes bibliographical references and index.