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 495
■—■Jt--*< Figs. 1387 and 1388 represent theback links, the upper brass of which en-circles the air-pump stud in the beam;the middle brass receives the cross-headon the top of the air-pump rod, and thelowest brass connects with the cross-barof back links, Fig. 1386, through the ovalhole in which…
Mechanical engineering
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