Flying-machines

Flying Machines Today

William D. (William Duane) Ennis

Side-Lights on Astronomy and Kindred Fields of Popular Science

Simon Newcomb

Flying Machines

Construction and Operation: A Practical Book Which Shows, in Illustrations, Working Plans and Text, How to Build and Navigate the Modern Airship

Thomas Herbert Russell
William J. (William James) Jackman
Octave Chanute