Miracle concrete: the great modern industry (1909)
Miracle Pressed Stone Co. · Miracle Pressed Stone Co. · leaf 87
ws the machine open. It works on thesame principle exactly as the International Block Machine, described on page 77, viz., the cores are dropped from the bottom through thewooden pallet by their own weight, by simply releasing a clutch. The side and end plates are turned in a quarter circle to tree… … LIST OF PARTS EQUIPMENT FOR TWIN DROP CORE BLOCK MACHINE. 1— Stand, complete with Cores 2— Full Length Rock Face Plates 1—Rock Face Plate, for making 2% inch Blocks 1—Rock Face Plate, for making Quarter and Three-quarter LengthBlocks. One-half Rock and One-half Plain End Plates2—Full Length Plain…
