Miracle concrete: the great modern industry (1909)
Miracle Pressed Stone Co. · Miracle Pressed Stone Co. · leaf 113
PRODUCT.—CURING. Having the brick properly made, we now come to thesimple, but very important part of the process—curing. Brick should be sprinkled lightly as soon as they will standthe water without washing, in from four to twenty-four hours,according to weather, and should be kept constantly damp… … Twin-City Rapid Transit Co. LaGrange, Ga., April 24, 1907. Miracle Pressed Stone Co., Minneapolis, Minn. GENTLEMEN:—Your inquiry of the 17th received.I beg to state that I am using the Miracle Brick Ma-chine, and from test 1 find that it is the best ma-chine on the market. At the time I bought the…