Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 646
ecome versed in signaling ofall sorts, wireless and the international code, theessential mathematics, and some elementary phy-sics, practical meteorology, and astronomy. Tlien tiiere are special studies taught at theground schools. Mechanics is one of them, enoughbeing given to enable the coming… … .\N INSTRUCTOR EXPLAIXI.NGTO A THE PARTS OF A GOVERNMENT TVlli OF AEROPLANECLASS OF AVL\TION STUDENTS. Constantinesco gearing—that wonderful mech-anism that controls the firing of a machine-gunso that the bullets pass between the whirringblades of the propeller without hitting them. Helearns how to…
Children's literature
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