Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 550
ft. They have nocounterpart in the wings of birds, andare believed by some aeronauts tohave little effect. At any rate, theycan do little harm, since their headresistance is practically nothing. Un-like the horizontal forward planes,these fins should not be carried toofar forward. In practice it is…
Children's literature
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