Aeroplane construction and operation; including notes on aeroplane design and aerodynamic calculation, materials, etc. A comprehensive illustrated manual of instruction for aeroplane constructors, aviators, aero-mechanics, flight officers and students. Adapted either for schools or home study (1918)
Rathbun, John B · Chicago : Stanton and Van Vliet Co. · leaf 387
CHAPTER XIX.OPERATION AND TRAINING. Self-Training. In the early days of aviation, there werefew schools, and these were so expensive to attend thatthe majority of the aeronautical enthusiasts taught them-selves to fly on home-made machines. While this was aheroic method, it had the advantage of…
Airplanes
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