Miracle concrete: the great modern industry (1909)
Miracle Pressed Stone Co. · Miracle Pressed Stone Co. · leaf 139
venientfor laying the concrete base for sidewalks,reservoir bottoms and floors for reinforcedconcrete buildings. A brief description ofthis rig is as follows: LENGTH of Body 39^ inch DEPTH 20 inch WIDTH M 21 inch GAUGE of Steel No. 12 LENGTH over all 58 inch WIDTH over all . 32 inch HANDLE 1 inch…
