Masonry Magazine January 1966 Page. 28
NEW!
Trinity White Masonry Cement NON-STAINING TRINITY Cement Masonry. High workability... longer board life... bag-to-bag uniformity...non-staining. Cement WHITE. GENERAL PORTILAND CEMENT CO.
GP A PRODUCT OF GENERAL PORTLAND CEMENT CO. Offices Chicago Dallas Houston Tampa Miami Chattanooga Fort Wayne Kansas City, Kan. Fredonia, Kan. Oklahoma City Los Angeles.
CC MASONRY. January, 1966