Classic Works
Concerning the Amazing and Exciting
of entrepreneurial inclination who might wish to
undertake the manufacture of these machines
for use by the Army's new Flying Corps.
and
The Old Scouts
Basic Flying
1. Try to stay in the middle of the air.
2. Do not go near the edges of it. 3. The edges of the air can be recognized by the appearance of ground, trees, buildings, water towers, mountains, ocean, or interstellar space. It is much more difficult to fly there.