... 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 62
ing strength, lbs. per sq. in., dry 22,400. wet 20,430. wet after freezing 17,870. Transverse strength, lbs. per sq. in 2.118. Shearing strength, lbs. per sq. in 1.630. Loss on corrosion, grams per sq. in .02712 Drilling factor, mm 14.3 Chiselling factor, grams 5.4 An analysis by Leverin gives:—per… … Montreal limestone. Buildings in Montreal showing the contrast between rock faceand bush hammered work. Plate Y
Building stones
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