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The structural and industrial materials of California (1906)
Aubury, Lewis E., b. 1862 · Sacramento, W.W. Shannon, Superintendent State printing · leaf 196
l Tests* of the Golden Gate Cement, July 10, 1904. Fineness—100-niesh 90.5 per cent. 200-mesh 70.0 per cent. Set—Initial 2 hours, 40 minutes. Final 6 hours. Tensile strength—Neat: No. l. No. 2. No. .S. No. 4. No. 5. Iday 320 310 305 310 320 3 days -. 520 545 490 580 545 Tdays 710 (i50 665 600 650… … ILL. No. 84. STEAM SHOVEL AT WORK IN CLAY PIT. PACIFIC PORTLAND CEMENT COMPANY, CONS., SOLANO COUNTY.Building stones · Portland cement · Clay · Mines and mineral resources
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