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historicalmarkerproject/markers/HM25BZ_the-blower-house_Bethlehem-PA.html
The large building to the left is the Blower House. This is where giant gas-powered engines pumped pressurized air into the blast furnaces. Every ton of iron takes about 200,000 cubic feet of air to produce! 1 Building Pressure The blowing engin…
historicalmarkerproject/markers/HM25BY_bethlehem-built_Bethlehem-PA.html
Across all its facilities, Bethlehem Steel produced over 1 billion tons of steel between 1905 and 1999-that's over 12,000 Golden Gate Bridges worth of material! A high quality of steel, dependent upon rigorous testing during the many manufacturing…
historicalmarkerproject/markers/HM25BS_the-bethlehem-beam_Bethlehem-PA.html
The strong, lightweight structural beam makes up the framework of buildings, bridges, and other structures. These wide flange beams were first made in 1907 right here in Bethlehem, using inventor Henry Grey's innovative rolling mill. Grey's proces…
historicalmarkerproject/markers/HM25AV_making-iron_Bethlehem-PA.html
The Blast Furnaces reduced iron ore to metallic pig iron. The furnaces had differing production capabilities, ranging from 800 to 3300 tons of iron per day. Most of this would later be processed into steel. 1 Heating The Materials Hot air forced…
historicalmarkerproject/markers/HM25AR_hot-loud-dangerous_Bethlehem-PA.html
Steelworkers often labored six or even seven days a week in long and exhausting shifts. Accidents were common. Over 500 men died on the job between 1905 and 1941. Hundreds, if not thousands, were badly injured by burning metal, toxic gases, and fa…
historicalmarkerproject/markers/HM25AO_a-community-of-workers_Bethlehem-PA.html
The streets that stretch up from the steel plant make up South Bethlehem. Over the decades, this community grew along with Bethlehem Steel's growing workforce. Generations of workers lived, shopped, attended school and church, played sports, and s…
historicalmarkerproject/markers/HM25AK_immigration-industry_Bethlehem-PA.html
Imagine leaving behind all you know and starting a new life in a foreign place with few friends and little money. From the 1880s to the 1920s, millions of European immigrants arrived in the US in hope of finding work and a better life. Many found …
historicalmarkerproject/markers/HM25AH_the-beginnings-of-bethlehem-steel_Bethlehem-PA.html
The story of Bethlehem Steel begins in the 1840s when the Lehigh Canal and the coal it carried triggered the American Industrial Revolution in the Lehigh Valley. In the 1850s, newly-constructed railroad lines like the Lehigh Valley Railroad needed…
historicalmarkerproject/markers/HM25AG_blast-furnace_Bethlehem-PA.html
Look around you, these five blast furnaces were the heart of the plant for many decades. Ordinarily up to three of the five furnaces would be operating at one time. They ran continuously-night and day, seven days a week-and required constant feedi…
historicalmarkerproject/markers/HM242O_moving-materials_Bethlehem-PA.html
The walkway you're standing on is the Hoover-Mason Trestle, an elevated rail line built to transport raw materials to the blast furnaces. Named after the engineering firm that designed and built it, the Trestle was in use from 1907 until 1995. T…
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