... 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 386
sare listed below:— Specific gravity Weight per cubic foot, l])s Poie space, per cent Ratio of aljsorption. per cent Permeal^ility, c.c. per scjuare inch per hour Coefficient of saturation Crushing strength, lbs. per square inch 10331 Crushing strength after freezing, lbs. per square inch . . 11500… … K 247 This would appear to be a very desirable stone; the colour is good andpermanent, the saturation coefficient is sufficiently low that no danger ofinjury by frost is to be apprehended, and the stone has the advantage of beingvery easily carved. The equipment consists of six derricks, four of…
Building stones
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