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 380
low:— Specific gravity 2 • 720 Weight per cuImc foot, lbs l()2Go3 Poie space, per cent 4395 Ratio of absorption, per cent 1 -68 Permeability, c.c. per square inch per hour 1 • Coefficient of saturation 0-oG Crushing strength, lbs. per square inch 10331 • Crushing strength after freezing, Ib.-^. poi… … 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 · Geology, Economic · Stone industry and trade
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
