Miracle concrete: the great modern industry
A 1909 trade catalogue from the Miracle Pressed Stone Co. of Minneapolis, selling block-making machines, molds, and cast concrete masonry to builders, contractors, and small-town manufacturers. Halftone photographs show individual blocks at raking angles, rock-faced and paneled wall corners, molds and press machinery, plus house elevations and plans; useful for grey masonry textures, isometric block forms, and period lettering cast into faces.
