Edgar Thomson Steel Works, steel mill in Braddock and North Braddock, Pennsylvania
Edgar Thomson Steel Works is a steel mill in Braddock, Pennsylvania, producing steel since 1875. The facility combines brick structures and blast furnaces from the 1800s with modern casting equipment that continues to produce steel slabs today.
The facility was established in 1875 by Andrew Carnegie after he learned about the Bessemer process in Europe, which enabled faster and cheaper steel production. This location was the site of the famous Homestead Strike in the 1890s when workers fought against wage cuts.
The facility was named after Edgar Thomson, a railroad president who financed the enterprise. It remains a symbol of working life in the region, where families organized their daily existence around the rhythms of steel production for many generations.
The mill is located near the Monongahela River, which facilitates the transport of steel products. Since this is an active production facility, visitors should note that access may be limited or only available through guided tours.
The mill was constructed on a historic battlefield from the French and Indian War and preceded by early American uprisings before becoming a steel production site. This location brings together multiple layers of American history in one place.
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