Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 144
is practically the biplane with nn-nsnally large forward and tail planes. The multiplane of Sir Hiram Maxim shonld alsobe remembered, although he never permitted it tohave free flight. His new multiplane, modelled afterthe former one, but equipped with an improved gaso- FLYING MACHINES: OTHER… … Sir Hiram jNIaxim standing beside his huge multiplane. are the helicopters^ ornithopters, gyropters, gyro-planes, and tetrahedral machines. HELICOPTERS. The result aimed at in the helicopter is the abilityto rise vertically from the starting point, instead of 144 FLYING MACHINES: OTHER FORMS. first…
Aeronautics
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