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The Hershey Chocolate Factory, Hershey, PA, circa 1925.
By the 1920s, Milton Hershey had the largest... |
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Canal boats under construction on the Susquehanna River at Highspire, PA. circa 1870.
The more than 3,000 miles of roads and 1,200... |
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Postcard of the American Viscose Corporation rayon plant in Meadville, PA, circa 1930.
In 1930, American Viscose Corporation opened... |
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H. J. Heinz Company's main plant and general offices.
H. J. Heinz Company's main plant and general... |
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Engel and Wolf's brewery and vaults, Philadelphia, PA. circa 1855.
Located in the Fountain Green section of... |
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The Baldwin Locomotive Works, Philadelphia, PA, circa 1883.
Located on Broad Street just a few blocks... |
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Penn Steam Engine and Boiler Works, Philadelphia, PA, circa 1854.
Penn Steam Engine and Boiler Works. Foot... |
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The Main Works of the Westinghouse Electric and Manufacturing Company and the Westinghouse Machine Company, East Pittsburgh, PA, surrounded by views of the branch factories of the Electric and Manufacturing Company, circa 1910.
Westinghouse Electric and Manufacturing Company... |
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The Pittsburgh Reduction Company as it appeared in 1888.
After failing to raise funds in Ohio and... |
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Hershey Chocolate Factory and Office, Exterior; 1909.
Hershey Chocolate Factory and Office, Exterior;... |
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A print of the Wilcox Paper Mills in Delaware County, PA, as it looked in the 1840s.
Wilcox Paper Mills in Delaware County, PA,... |
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Harley Davidson Motorcycles Advertisement, October 1, 1914.
Harley Davidson Motorcycles Advertisement,... |
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Lithograph of the McNeely and Company Leather Manufactory, 4th. Street below Arch Street, Philadelphia, PA, circa 1860.
By 1683 William Penn was already operating... |
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Dunlaps' Phoenix Coach Works, corner of Fifth and Buttonwood Streets, Philadelphia, ca. 1850.
Dunlaps' Phoenix Coach Works, corner of Fifth... |
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View of the glass works of T. W. Dyott at Kensington on the Delaware near Philadelphia, by W. L. Breton, 1831.
View of the glass works of T. W. Dyott at... |
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Harrison Brothers' white lead works and chemical laboratory, Philadelphia, 17, So. 5th. St. by W. H. Rease, ca. 1850.
Harrison Brothers' white lead works and chemical... |
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Henry Simons Wagon and U. S. National Coach Works, Philadelphia, ca. 1865.
Henry Simons Wagon and U. S. National Coach... |
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Bridesburg Machine Works. Alfred Jenks and Son, manufacturers of cotton and wool carding spinning and weaving machinery, shafting and millgearing, Philadelphia, 1856.
Bridesburg Machine Works. Alfred Jenks and... |
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The Westinghouse Air Brake Works, Wilmerding, PA, 1891.
In 1890, George Westinghouse built a plant... |
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The Edgar Thomson Steel Works, by William Rau, Braddock, PA, 1891.
In 1875, Andrew Carnegie opened his first... |
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Heebner and Sons Agricultural Implement Manufactory, Lansdale, Montgomery County, PA, circa 1870.
In the 1800s, Heebner and Sons was one of... |
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Westinghouse engineer Frank Conrad's garage, the first home of KDKA, Wilkensburg, PA, March 1924.
Frank Conrad set up his first radio station... |
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Postcard of the American Sheet & Tin Plate Co. Mill, Vandergrift, PA, circa 1910.
Lacking room to expand his galvanized steel... |
