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 536
eep at the circumference, and 11 \ inches at the centre formed of cast-iron 1J inch thick, stiffened by radiating feathers. ENGINES, DETAILS OF. 525 j, the external packing-rings, of cast-iron, 2£ inches deep, on Goodfellows patent construction. Theserings are turned concentric, and each, being cut… … k and I represent the thick and thin ends of the inner eccentric V-shaped ring, of cast-iron, which, byits elasticity, presses the two external rings against the cylinder, thus forming a steam-tight joint. Therequisite elasticity is given to this ring by forming in it a series of cuts or grooves…
Mechanical engineering
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