Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 579
ls, showingthe attachments for securing the blocks to the framing. Figs. 1528 and 1529 are an elevation and aplan of one of the paddle-wheels of the steamboat North America. We give tins wheel as an exampleof American paddle-wheels, and of the modes of framing timber for the support of the journals… … -■s—fl~ Scale.—J mch=l foot.The following are the literal references:— A, is the principal frame, winch supports the main centres of the beam, and also the bearings of thecrank-shaft. B, are the keelsons. a a, the fore and aft legs of the frame. 6, the upright post under the main centre. c, oak…
Mechanical engineering · Mechanics · Engineering
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