Chicago : Engineering and Contracting Pub. Co. · leaf 115
om-posed of 1 part cement and 2 parts sand. (For cement specifications see Engineering& Contracting, July 12.) All sand shall be clean, sharp, washed sand,free from loam, clay or vegetable matter. Themortar shall be thoroughly mixed just beforebeing used. Any mortar which has begun toset shall…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
