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Drawing illustrating lap welding machine in action
Ingot mold train, Edgar Thomson Works, Carnegie Steel Company (Braddock, Pa.)
Manufacture of structural steel by open hearth process, Pencoyd Iron Works (Pencoyd, Pa.)
Lifting an ingot for USS Virginia, Bethlehem Steel Company (Bethlehem, Pa.)
Bessemer plant mixer being charged, Edgar Thomson Works, Carnegie Steel Company (Braddock, Pa.)
A pair of large electric gantry drilling machines, each carrying eight drills of five-foot radius
Manufacture of structural steel by open hearth process, Pencoyd Iron Works (Pencoyd, Pa.)
Straightening rolls in which steel pipe is straightened and smoothed
Rolling mill roll yard, Edgar Thomson Works, Carnegie Steel Company (Braddock, Pa.)
Manufacture of structural steel by open hearth process, Pencoyd Iron Works (Pencoyd, Pa.)
Electro-pneumatic charger, Edgar Thomson Works, Carnegie Steel Company (Braddock, Pa.)
Barbed wire machine in operation (Donora, Pa.)
Chain making: inserting the stud in heavy stud chain, American Chain Cable Works (Troy, N.Y.)
Chain making: bringing scarfed ends of link together for welding, American Chain Cable Works (Troy, N.Y.)
Chain making: hydraulic machine for forming the links, American Chain Cable Works (Troy, N.Y.)
Charles M. Schwab portrait
Best made, highest grade, Hamilton Carhartt & Co., Detroit, Mich.
Tapping a furnace into hot metal ladles for transport (Bessemer, Pa.)
Illustration 'From the puddling-furnace to the squeezer'
Exposition universelle internationale de 1889 à Paris : palais, jardins, consturctions diverses, installations générales, Volume 1
Spectacles, Eye Glasses, Opera Glasses, Microscopes, Telescopes, Thermometers, Barometers, Photographic Materials
Casting a twelve-inch gun at the South Boston Iron Works (Boston, Mass.)
Lashing the stays of the Brooklyn Bridge (New York City, N.Y.)
Bridges over Harlem River (New York City, N.Y.)
View of Messrs. Du Pont de Nemours & Co.'s Upper Brandywine Gun Powder Mills, Near Wilmington, Delaware, U.S.A.

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