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Start Over You searched for: Publisher Scientific Research and Development Office Remove constraint Publisher: Scientific Research and Development Office Publish Year Decade 1940 - 1949 Remove constraint Publish Year Decade: 1940 - 1949

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566. Noise. Vocabularies for military communication in noise.

567. Engineering. Memorandum on progressive engineering instruction, stage 3, operational training building, organization of instruction, instructor's manual A division, instructor's manual B division, instructor's manual M division, instructor's manual E division; prepared by W. E. Organist, W. G. Willis.