Batchelder, L. (Laurence), 1906-
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Batchelder, L. (Laurence), 1906-
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Batchelder, L. (Laurence), 1906-
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Biographical History
Batchelder (1906-). Acoustical engineer, Submarine Signal Co., Boston, Mass, 1929-; (Merged with Raytheon Co., 1946); thereafter Batchelder served as principal engineer submarine signal operations.
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Subjects
Acoustics
Anti-submarine warfare
Detectors
Electronics in navigation
Signals and signaling, submarine
Sonar (Navigation)
Sonar (Navigation)
Submarine warfare
Ultrasonics (Acoustics)
Underwater acoustics
Underwater acoustics
World War, 1939-1945
World War, 1939-1945
World War, 1939-1945
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Germany
as recorded (not vetted)
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