272с

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AYIGFÄTION

HARVEY H. HOLLAND

Captain, Air Corps, United States Army; Member American Society of Mechanical Engineers; Member Society of American Military Engineers; Transport Pilot No. 7376; Airship Pilot F.A.I. No. 56; Free Balloon Pilot F.A.I. No. 182; Airplane and Balloon Observer

McGRAW-HILL BOOK COMPANY, Inc.

new york and london 1931