NO. 33. VOL. XIII. the machine goes on working, and the clay THE goes back into the hopper without making SCIENTIFIC AMERICAN, … molds, tightened by two cross rods, and on simple methods, and at the same time cheap- es across the top of the table, which prevents This machine is intended to temper the clay the back by a wedge in case it gets loose or est means of artificially lowering the temper- and make the bricks, within…
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