Miracle concrete: the great modern industry (1909)
Miracle Pressed Stone Co. · Miracle Pressed Stone Co. · leaf 85
cted that theback of the block is protected against damage by brush-ing against the operator. With it the block and thepallet can be picked up, carried away and set downagain without the slightest delay or damage. ^ IllustrationNo. 4 shows the finished block being carried off, butdoes not… … Illustration No. 2—Withdrawing the Cores. 74 WONDER FACE-DOWN MACHINE—Continued.
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