Riding on air
By: by Merrill Hamburg & Frederic Beddow.
Contributors: Beddow, Frederic A., joint author.
Publisher: Pitman publishing corporation
Published: 1944
Place of publication: New York, Chicago
Language: eng
Number of pages: 130
Subjects: Airplanes -- Models.; Aeronautics -- Examinations, questions, etc.
Notes: "Key to C. A. A. type questions" p. 127.