Every-day Science: Volume 7. The Conquest of Time and Space
CHAPTER IX
NAVIGATING THE AIR
(p. 247). Henson's studies of the flying-machine. The quotation is from _Travels in Space_, by E. Seton Valentine and F. L. Tomlinson, New York, 1902.
Every-day Science: Volume 7. The Conquest of Time and Space
NAVIGATING THE AIR
(p. 247). Henson's studies of the flying-machine. The quotation is from _Travels in Space_, by E. Seton Valentine and F. L. Tomlinson, New York, 1902.