AMERICAN MANUFACTURES
... AMERICAN MANUFACTURE& Tbe following account of the manufactories esta- blished at Pittsburg, is extracted from a Philadel- phia paper:- 1. A steam rolling and slitting mill (connected with which is a machine for cutting and heading nails, which is done with great facility) of 70 horse power, on Evan's plan. 2. A steam flour mill, of 24 horse power, on Evan's plan, driving three pair of stones, ...