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Patents > Inventors : William Whitney Christmas or None & Number of figures: 12-30

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airplane (13) · construction (8) · frame (8) · biplane (6) · stability (5) · design (5) · None (3) · safety (3) · wings (3) · aerodynamics (2) · fuselage (2) · chassis (2) · airship (2) · cables (2) · wires (2) · landing (2)
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