Miracle concrete: the great modern industry (1909)
Miracle Pressed Stone Co. · Miracle Pressed Stone Co. · leaf 70
, C three weeks old, andBlock D was four weeks old, when theywere sent out to be tested. Very truly yoursT. H. MacDONALD. FACTOR OF SAFETY OF TWENTYThis shows by using an 8x12x24 in.regulation size MIRACLE Double AirSpace Block in a wall of an 8-story build-ing estimating the weight of the wall… … Office and Residence, Dr. A . Healy, Middlesboro, Ky. 59 Westfield, N. J., May 6, 1907.Messrs. Arthur N. Pierson & Co., Eastern Agents Miracle PressedStone Co., No. I Park Row, New York City. Gentlemen:—In reply to your inquiry as to how I am gettingalong in the manufacture and sale of Miracle…