You searched for Postal Code: 15213
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historicalmarkerproject/markers/HM2COU_standard-chemical-company_Pittsburgh-PA.html
Standard Chemical Company. . Founded here by brothers J.J. and Joseph Flannery in 1913, it was the first commercial producer of radium in the US. Radium production was the earliest nuclear industry. Discoverer Marie Curie visited the laboratory in…
historicalmarkerproject/markers/HM2COT_maria-sklodowska-curie_Pittsburgh-PA.html
Maria Sklodowska Curie. . In commemoration of Maria Sklodowska Curie A Polish scientist Discoverer of Radium and Polonium Conferred Degree of Doctor of Laws By the University of Pittsburgh on May 26th, 1921 Inspecting facilities of Standar…
historicalmarkerproject/markers/HM1W73_eliza-furnace-historical_Pittsburgh-PA.html
James Laughlin, one of the founders of Jones & Laughlin, constructed the first Eliza Furnace, a stone blast furnace for smelting iron. Built in 1858 before the Civil War, Eliza marked the city's emerging iron and steel industry and was the first i…
historicalmarkerproject/markers/HM1W72_iron-and-steel-workers-historical_Pittsburgh-PA.html
The shift to mass production in the steel industry brought thousands of new workers to Pittsburgh and forever changed the city. Between 1870 and 1900, Pittsburgh's population quadrupled. Through Ellis Island and from across the nation came the peo…
historicalmarkerproject/markers/HM1W71_jones-and-laughlin-historical_Pittsburgh-PA.html
The partnership between Jones & Laughlin combined the skills of an older financial genius with those of a brilliant young entrepreneur. Before the Civil War, Jones established a rolling mill on the South Side, and Laughlin subsequently built an ir…
historicalmarkerproject/markers/HM1VE3_the-hiker-a-war-memorial_Pittsburgh-PA.html
In Memory of her sons who served in the Army and Navy of the United States during the War with Spain and the campaigns incident thereto, 1898-1902. This monument is erected by the County of Allegheny 1925.
Cuba, Porto Rico, China Relief Expeditio…
historicalmarkerproject/markers/HM1VE2_diplodocus-carnegii-historical_Pittsburgh-PA.html
Diplodocus carnegii lived 150 million years ago, when dinosaurs dominated the land. Carnegie Museum paleontologists first discovered the remains in Wyoming on July 4, 1899. A new species, the dinosaur wa named after Andrew Carnegie, the museums ge…
historicalmarkerproject/markers/HM1RTW_the-moncon-railroad_Pittsburgh-PA.html
In 1885, the Monongahela Connecting Railroad (MonCon) was chartered as a subsidiary of Jones & Laughlin's, Ltd. Rail lines were built on both the northern and southern sides of the river. At this time, the only connection between the plants was a …
historicalmarkerproject/markers/HM1RTS_open-hearth-steel_Pittsburgh-PA.html
The cement pad beneath your feet was once the floor of the Pump House for Jones & Laughlin's No. 2 Open Hearth Shop. Pump houses were an integral part of the steelmaking process. Water, used for cooling of the metal and machinery, was pulled from …
historicalmarkerproject/markers/HM1RTB_materials-handling_Pittsburgh-PA.html
Often shipped by rail from ovens and furnaces in slag pots, like the one displayed here, slag is the waste by-product of the iron and steel making process. It can be used in making roadbeds, landfill, concrete, fertilizer and aquarium gravel.
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