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 596
ich, however, is frequently added. In order to bring the cylindrical surface of the ringssooner to an exact bearing, a groove is turned out of the outer circumference of each: this may help,besides, to keep the piston tight, by affording a lodgment for oil and tallow, and may in certain… … 5
Mechanical engineering
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