Miracle concrete: the great modern industry (1909)
Miracle Pressed Stone Co. · Miracle Pressed Stone Co. · leaf 72
2x24 inch blocks in 8hours and 30 minutes, working four men. ^ Weexpect to put out, on an average, 150 twelve inchand 200 nine inch blocks each day with crew ofseven men. Your machine has certainly built us up a nicebusiness and is satisfactory in every respect.Yours truly,CENTRAL CONCRETE CO , Per… … DOUBLE AIR SPACE KILLS COMPETITION:* Saskatoon, N. W. T., May 25, 1906Miracle Pressed Stone Co., Minneapolis, Minn. Gentlemen:—Miracle Blocks can be manufactured and placed in thewall at a small cost as compared with the old style two-man block, whilethe Double Air Space feature of the Miracle*…
