Miracle concrete: the great modern industry (1909)
Miracle Pressed Stone Co. · Miracle Pressed Stone Co. · leaf 80
8 blocks. 1 Rock end plate for return corners. 1 Plain face plate for 24 blocks. 1 Plain face plate for 2—12 blocks. 1 Plain face plate for 6 and 18 blocks. 1 Plain end plate for return corners. 1 Plain back plate. 2 Plain end plates with rib for 9 and 12.1 Filler for 9 straight block. I Filler for… … MIRACLE ADJUSTABLE FACE-DOWN BLOCK MACHINE.
