Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 376
ice, in the constructionof stationary engines for driving ma-chinery, to make the stroke not overtwice the diameter of the cylinder, and for diameters above 24 about IJ- time thediameter of the cylinder, and invariably to place the cylinders horizontally witha direct connection with the crank,… … FiG. 812,
Mechanical drawing
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