Report on the building and ornamental stones of Canada (1912)
Parks, William A, Canada. Mines Branch · Ottawa : Dept. of Mines · leaf 60
ength, lbs. per sq. in., drv 22.400. wet 20,430. wet after freezing 17.870. Tran.-\erse strength, lbs. per sq. in 2.118. Shearing .-trength. lbs. per sq. in 1.630. Lo-s on corrosion, gram.- per sq. in .02712 Drilling factor, mm 14 3 Chiselling factor, eram- 54 An anah-i- by Leverin gi\-es:—per… … Montreal limestone. Buildings in Montreal showing the contrast between rock faceand bush hammered work. 1^1.ATE \.
Building stones
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