Igor Sikorsky; his three careers in aviation
By: by Frank J. Delear. Foreword by James H. Doolittle.
Publisher: Dodd, Mead
Published: 1969
Place of publication: New York
Language: eng
Number of pages: 272
Subjects: Sikorsky, Igor Ivan, 1889-1972 -- Juvenile literature; Sikorsky, Igor Ivan, 1889-1972; Aeronautics -- Biography
Description: A biography of the aeronautical engineer whose achievements include the multi-motored airplane and the practical helicopter.