, seven and one-half feet across the bosh. In 1847, produced 1,380 tons. Blown out in 1857 but not abandoned till 1863. �15 Black Fox Furnace, 1844, steam hot blast. Stood on Black Fox Run in Perry Township, one mile from the Allegheny River. Thirty feet high, nine feet across bosh. In 1856, made 2,000