... 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 366
o … H^ O* 231 Crushing strength, lbs. per squaie inch 25000- Crushing strength after freezing, lbs. per square inch . . 19723 • Loss on freezing, grams per square inch 0-0049 Loss on treatment with carbonic acid, grams per square inch 0-189 Transverse strength, lbs. per square inch 2324- ChiselHng…
Building stones
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
