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Scientific American, Vol. 38, No. 17 (April 1878) (1878)
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odies; the for grinding steel, tools, twist drills,' and so on. der it best adapted for the specified purpose. In order to mixing room, shown in Fig. 1, where the different materials produce wheels of uniform excellence in all grades, much By using the different grades of emery in connection with… … LEHIGH VALLEY EMERY WHEEL WORKS-INTBEIOR VIEWS. © 1878 SCIENTIFIC AMERICAN, INCPatents · Emery · Wheel · Address · Boiler · Scientific American · Takes place · Bound volumes · American supplement · Feed water · Emery wheels · Emery wheel · Trade catalogs · Years ago · Water lens
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