Early powerplane fathers
Subtitle: Henson, Goupil, Ader
By: by A.F. Zahm, PH. D.
Published: 1944
Place of publication: Washington, D.C
Language: eng
Number of pages: 42
Subjects: Airplanes
Notes: Cover-title.

"References" at end of the last two articles.
Table of contents: title: Henson, inventor of the airplane. (Journal of the Franklin Institute, v. 236, no. 3, Sept. 1, 1943); title: Goupil, inventor of three-torque airplane control. (Reprinted from the Journal of the Maryland Academy of Sciences, vol. II, no. 2, April, 1931); title: Ader, first to fly a powerplane.; title: Incidental note: Whitehead, first to fly with petrol power.