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St. Nicholas [serial] (1873)

Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 639

An illustration from St. Nicholas [serial], 1873, leaf 639 — FIG. 4. MODEL HAVING DOUBLE FORWARD PLANES AND TWO MOTORS. A GOOD MODEL BUT THE FRAME IS RATHER COMPLICATED. IT IS A QUICK RISER. Much depends upon the curve of the plane. Awing,whose curve is not a perfect arc of a circle,but which is rounded just back of the front edgeand flattened at the rear,… … FIG. 5. A GOOD MODEL •.SIGN NEARLY THE REVERSE OF FIG. 4. models and imitate them. Different models re- very important. It is too much to expect of eventhe best model that it will fly in an unswervingline. Any simple vertical plane which may beturned from side to side and held in position willact…

Children's literature

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