Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 551
ndsof the plane without materially low-ering the center of gravity. In severalof the successful models of the year,these tips have been made equal toabout one fifth the width of the plane,and are raised as high as forty-fivedegrees. The theory is that, when the oscillationcommences, these surfaces…
Children's literature
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