Awevicat, Scientific [DECEMBER 20, 1883. 414 … CO, 47 Third Ave., Chicago, Il. and 15,000 Gear Wheels of this steel] now running prove its superiority over other Steel Castings Send for Se a ee ee PATENT circular and price list. FOSSIL MEAL COMPOSITION, (OLD ROLLED CHESTER STEEL CASTINGS CO., Pyrometers. Ovens, Hot Blast Pipes, For showing heat…
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