Air conquest
By: by W. Jefferson Davis ...
Publisher: Parker, Stone & Baird Co.
Published: 1930
Place of publication: Los Angeles, Calif
Language: eng
Number of pages: 233
Subjects: Aeronautics.
Notes: Maps on lining-papers.
"Awarded one thousand dollar 1930 aeronautical publication award, by the Aero Educational Research Organization, for the most timely contribution to aeronautical literature."