New York: The Center for Applied Research in Education, 1999. Large Softcover.
Light brown smudge on page edges.
xv, 217 pp. This series is designed to help educators teach scientific concepts as well as develop students' appreciation and understanding of the work done by generations of curious scientists. The complete.....
New York: The Ronald Press Company, 1933. 2nd Printing. Hard Cover.
Second printing. No jacket. Board edges lightly rubbed, ink name and ink stamp on front free endpapers, ink stamp on rear paste-down endpaper.
xii, 420 pp. CONTENTS: Occupations in the Aeronautical Industry; Balloons and Airships; Principles of Flight: Airplanes.....
New York: John Wiley & Sons, Inc., 1939. Second Edition. Hard Cover.
Second edition. No jacket. Bookplate on front paste-down endpaper, ink name on front free endpaper, some pencil marginalia.
vii, 436 pp. CONTENTS: Physical Properties of Air; Effects of Deflecting Air Streams; Air Flow; Airfoils; Induced Drag of Monoplanes;.....