A POPULAR TREATISE ON THE GROWTH OF AIR CRAFT AND ON AËRONAUTICAL METEOROLOGY SECRETARY OF THE AËRO CLUB OF WASHINGTON; GOVERNOR OF THE AËRO CLUB OF AMERICA; GENERAL SECRETARY OF THE INTERNATIONAL CONFERENCES ON AËRIAL NAVIGATION IN 1893 AND 1907; OFFICIAL AMERICAN DELEGATE TO THE AËRONAUTIC CONGRESS OF 1900; FORMERLY LECTURER ON MECHANICS IN THE UNITED STATES BUREAU OF STANDARDS, AND PROFESSOR OF MECHANICS IN THE CATHOLIC UNIVERSITY OF AMERICA…
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