Modern Industrial Progress, Charles H.Cochrane, 1904, p.98
In a contemporary history of aviation written in 1904, Charles Cochrane reports successful experiments with Whitehead's aircraft powered by a 12hp motor.
Gustave Whitehead - Pioneer Aviator
In a contemporary history of aviation written in 1904, Charles Cochrane reports successful experiments with Whitehead's aircraft powered by a 12hp motor.
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