660с

1941г

1-faIH 3K3.

By FRANCIS POPE, B.A.

First Lieutenant United States Army Air Corps Reserve

Captain (First Pilot) with Transcontinental and Western Air, Inc.

ELEMENTS OF AERONAUTIC

and ARTHUR S. OTIS, Ph.D.

Private Pilot

Fellow of the American Association for the Advancement of Science Technical Member of the Institute of the Aeronautical Sciences

G. P. PUTNAM'S SONS NEW YORK