Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 555
figure. P represents the piston in the cylinder, L L the. great beam, L R the connecting-rod, B O thecrank, and Rffffff a toothed wheel carried round by the crank. These are all the same as in thecommon steam-engine. There is added r w w w, a smaller wheel, whose diameter is only one-half thatof… … lever, driven by the crank of the small wheel, to which it is attached by means of its connecting-rod.The piston-rod / H is attached to the small lever 11, carrying with it a piston from top to bottom of anopen cylinder H. At the points marked 1, 2, 3, 4, the circumference of the great wheel is…
Mechanical engineering
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