... 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 516
o a -a O 6 … o 337 The tests conducted on this stone resulted as follows:— Specific gravity 2*662 Weight per cubic foot, lbs 164-38 Pore space, per cent 1-06 Ratio of absorption, per cent 0-406 Coefficient of saturation O-ol Crushing strength, lbs. per square inch (unsatisfactory test) 16068- Loss on treatment…
Building stones
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