Report on the building and ornamental stones of Canada (1912)
Parks, William A. (William Arthur), 1868-1936, Canada. Mines Branch (1901-1936) · Ottawa : Dept. of Mines, Mines Branch · leaf 360
231 Crushing strength, lbs. j^ci- sqiuiic inch 25000- Crushing strength after froczitig, lbs. per square ineh . 19723 Loss on freezing, granih per square inch 00049 Loss on treatment with carbonic acitl, grams per square inch 0-189 Transverse strength, IIjs. p(M squai-e inch 2324- ChiseUing factor…
Building stones · Geology, Economic · Stone industry and trade
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
