Cyclopedia of architecture, carpentry, and building : a general reference work (1912)
American Technical Society · Chicago : American Technical Society · leaf 274
it is used after such crudetreatment that it cannot be considered a material suitable for goodwork. Therefore lime in any form will not be further considered formasonry work. There are now three classes of Portland cement on sale in thiscountry. By far the largest class is that ground from an… … « -; ■? c « .2 lid -^ &-( « ofa -•
Architecture · Building
Internet Archive · Kelly Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
