Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 139
nited tinder severe hydraulic pressure by a vitrifiedbond they are eight times as efficient as emery in abrasion. Car-borundum wheels are re-placing lathes as a meansof finishing axles, piston-rods and rolls; their accur-acy is unsurpassed, whilethey demand but one thirdthe time needed by a… … Carborundum Co., Niagara Falls, N. Y.Carborundum wheel edges. PRESSES AND STAMPS 103 making bricks, tiles, and terra cotta, the first task is to make the clay plastic, then advantage is taken of its plasticity. In like manner we heat a metal to fluidity, and then pour it into a mold to make a fence…
Inventions · Inventors
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