Miracle concrete: the great modern industry (1909)
Miracle Pressed Stone Co. · Miracle Pressed Stone Co. · leaf 19
Special Rock Face, 12-lnch Block.Face Plate H-195-Price $7.00. … Exterior 9-inch Corner BIock.Face Plate H-62.Price $7-00. All Miracle Blocks are thoroughly and evenlytamped from the bottom of the mold to the top, as the blockis being made. All the particles must be tamped thorough-ly compact all the way through and all air must be thor-oughly worked out from…
