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of U.S. ARMY RADAR EQUIPMENT PART 1 Early Research and Development - 1918 - 1937 by H. M. DAVIS,
CONFIDENTIAL
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national defense of the United states within the meaning of the Espionage Act, 50 17. S. C. , 31 and 32. as amended. The transmission or the revelation of its contents in any manner to an unauthorized person is prohibited by law. Copy No. 27of35copies made xiv plus 69pages and 31 illustrations Historical Section Field office Special Activities Branch Office Service Division Office of the Chief Signal officer Army Service Forces |
Figure 14
MAP OF REGION USED BY SIGNAL CORPS LABORATORIES
The proximity of Fort Monmouth to the New York Harbor entrance provided a ready-made outdoor laboratory for tracking surface vessels. Many famous transatlantic liners served unwittingly as experimental targets of early detection equipments.