The structural and industrial materials of California (1906)
Aubury, Lewis E., 1862- · Sacramento, W. W. Shannon, Superintendent state printing · leaf 208
e are two classes of fire clays: the soft or plastic, and the hard orflint. The latter occurs in hard rock masses, which do not slake inwater, and are not plastic in their natural condition. They are fre-quently more refractory than the plastic clays. Fire clays are used formaking firebricks, stove… … (201) 202 STRUCTURAL AND INDUSTRIAL MATERL\LS OF CxVLIFORNIA. HIGH-GRADE CLAYS AND CLAY INDUSTRIES INCALIFORNIA. ALAMEDA COUNTY. Califopnia Pottepy and Teppa Cotta Company.—S. W. Winsor is pro-prietor of these works, which are at the corner of East Twelfth street andPark avenue, at Twenty-third…
Building stones · Portland cement · Clay · Mines and mineral resources
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