The airline passenger experience in the 1920s could not be characterized as pleasant. Major improvements were needed, particularly addressing noise in the cabin. “The noisiness of the airplane engine constitutes an ever-present difficulty, much greater in importance than has generally been realized,” wrote Edward P. Warner in Aviation Week’s predecessor, Aviation, Oct. 30, 1922. Warner went on to become assistant secretary of the Navy for aeronautics and president of the ...


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