United States. Office of Scientific Research and Development, National Defense Research Committee.
Summary technical report of Division 17, NDRC / Office of Scientific Research and Development, Vannevar Bush, Director ; National Defense Research Committee, James B. Conant, Chairman ; Division 17, George R. Harrison, Chief.
Military research -- United States.
Physics
Electronics in military engineering.
Electronic countermeasures.
World War, 1939-1945 -- Science.
Harrison, George Russell, 1898-1979
Bush, Vannevar, 1890-1974
Conant, James Bryant, 1893-1978
Columbia University. Division of War Research
Summary technical report of the National Defense Research Committee.
Detection of land mines and sound ranging.
Compasses, odographs, combat acoustics, and sonic deception.
Transmission and reception of sounds under combat conditions.
Combat training equipment and testing devices.
Detecting devices.
Combat instrumentation.
Electronic instruments.