Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 392
articular ma-chine, the propellers are cut from a board onesixteenth of an inch thick, and bent by steamingto the desired curve. The shafts of the propellers are formed of avery light steel wire, less than one thirty-secondof an inch in diameter. This is passed throughthe hole in the rear stick and… … WORKING-DRAWING OF THE FLEMMING WILLIAMS MODEL. ered, on the upper side, with oiled silk. The cam-ber is slightly higher at the sides than the middle.The plan of fixing a rigid shaft for the pro-peller axle is very simple and effective. A pieceof aluminium tubing is forced over the ends of strip…
Children's literature
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