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... Report on the building and ornamental stones of Canada, vol. I-V (1912)

Parks, W. A. (William Arthur), 1868-1936, Canada. Mines Branch · Ottawa : Government printing bureau · leaf 194

An illustration from ... Report on the building and ornamental stones of Canada, vol. I-V, 1912, leaf 194 — ST. GEORGE RED GRANITE. Pi ATE XXVII. … BOCABEC BLACK GRANITE. 125 Specific gravity 2 • 698 Weight per cubic foot, lbs 167-642 Pore space, per cent 0-466 Ratio of absorption, per cent 0-173 Coefficient of saturation, one hour 0-71 two hours 0-71 Crushing strength, lbs. per sq. in 35063 - wet, lbs. per sq. in 32082- wet after freezing,…

Building stones

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