Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 139
and transfer these to metal with celerity and economy. Carborundum, a compound of silicon and carbon, is produced at Niagara Falls, New York, by a process devised by Mr. E. G. Acheson. In an electrical furnace are placed granulated coke, sand, a little salt, and some sawdust to keep the mixture… … Emery wheels. only. United 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…
Inventions · Inventors
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