Ferris, Richard. [from old catalog] · New York, T. Nelson and sons · leaf 136
The Pfitzner monoplane from the rear, showing the sliding wing tips; dihedralangle of the wings; square body; and transverse trussed construction. of the squares. They also support the guys reachingout to the tips of the wings. The plane proper is 31 feet in spread, to whichthe wing tips add 2^… … 136 FLYING MACHINES: THE MONOPLANE. feet in spread and 2 feet in depth. Both the elevatorand the rudder planes are carried on a similar frame-work^ 14 feet in front of the main plane. The wings of the main plane incline upward fromthe centre toward the tips, and are trussed by verticalstruts and…
Aeronautics
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