. History and government of Pennsylvania. A supplement to Elementary American history and government by James Albert Woodburn and Thomas Francis Moran . In1756, Pennsylvania wasspoken of as the mostadvanced of all the Ameri-can colonies in regard toits iron works. Steel wasfirst made about 1750, butin 1809 there were onlyfive steel plants whichmade five hundred tonsof steel. At present over15,000,000 tons are pro-duced annually from nearly two hundred establishments. In1812, the first steel mill in Pittsburgh was erected. In 1867,Bessemer steel was first made at Steelton, and the first steel r
. History and government of Pennsylvania. A supplement to Elementary American history and government by James Albert Woodburn and Thomas Francis Moran . In1756, Pennsylvania wasspoken of as the mostadvanced of all the Ameri-can colonies in regard toits iron works. Steel wasfirst made about 1750, butin 1809 there were onlyfive steel plants whichmade five hundred tonsof steel. At present over15,000,000 tons are pro-duced annually from nearly two hundred establishments. In1812, the first steel mill in Pittsburgh was erected. In 1867,Bessemer steel was first made at Steelton, and the first steel railsmade in the country were produced the same year at Johnstown, The first rolling mill in the United States for rolling bar ironwas built in 1817 at Plumsock, where the first refined or puddlediron was produced the same year. Ever since the census of1879, the mills of Pennsylvania have reported more than onehalf of the total iron and steel product of the country. Leather. This industry was carried on for the most part insmall tanneries scattered through the wooded portion of thestate. In old accounts of industries in the state we find tanneries. Rolling Steel, Homestead, Pa. 38 ELEMENTARY HISTORY AND GOVERNMENT mentioned about as often as paper mills. The great develop-ment of the leather industry in Pennsylvania has come since1888, when a Philadelphian, Robert Foerderer, discovered aprocess for making a glazed leather by the use of chemicals,instead of tanbark. Leather could now be made in great fac-tories. Instead of importing fine leathers, Pennsylvania com-menced to export. $15,000,000 worth of glazed kid are nowsent to all parts of the world every year, and Philadelphia aloneproduces fifty per cent of the worlds supply. Textiles. At first this industry was carried on in the homesof the settlers on hand looms. Later water power was used to drive power looms in largemills. The uncertainty ofthe stream flow and theimprovements in steamengines has tended toconcentrate the in
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