The Crossley Machine Co. (Incorporated), manufacturers of clay working machinery : pottery, electric porcelain, tile making, clay washing and crucible machinery. (1918)
CLAY DEPARTMENT OFTHE GENERAL CHEMICAL COMPANY, CAMDEN, N. J. … TRENTON, NEW JERSEY 11 Clay Washing and Refining Plants In preparing clay for the market, the processis altogether dependent upon the nature of the clayand the impurities to be extracted. It is, therefore,necessary to find some means for extracting theseimpurities, and it is for this purpose that…