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  2. Chicago Metallic Corporation - Wikipedia

    en.wikipedia.org/wiki/Chicago_Metallic_Corporation

    In 1893, Chicago Metallic Sash was founded in Chicago, manufacturing zinc sash, which was in the 1900s preferred by architects like Frank Lloyd Wright. [1] Chicago Metallic Sash became the industry leader in zinc sash bar production. [3] In 1951, DAMPA developed the first perforated metal ceiling in the world. In 1959, the company's name was ...

  3. Light Metal Age - Wikipedia

    en.wikipedia.org/wiki/Light_Metal_Age

    Light Metal Age covers primary production and semi-fabrication of light metals, mainly aluminum, but also titanium and magnesium, as well as associated light metal processes and equipment, including DC casting, anodizing, furnaces and melting, degassing and filtration, sawing, and handling. Articles are technical in nature, with the aim of ...

  4. Rare Earths Facility - Wikipedia

    en.wikipedia.org/wiki/Rare_Earths_Facility

    The West Chicago Sewage Treatment Plant was contaminated when mill tailings from REF were used as fill dirt there. This also resulted in pollution of the West Branch Dupage River from runoff and erosion. [3] In 1991, the Illinois Department of Public Health found elevated cancer rates in the community. [12]

  5. List of companies in the Chicago metropolitan area - Wikipedia

    en.wikipedia.org/wiki/List_of_companies_in_the...

    This is a list of companies in the Chicago metropolitan area.The Chicago metropolitan area – also known as "Chicagoland" – is the metropolitan area associated with the city of Chicago, Illinois, and its suburbs. [2]

  6. History of street lighting in the United States - Wikipedia

    en.wikipedia.org/wiki/History_of_street_lighting...

    In 1938, a study of sodium vapor light use at selected intersections in Chicago claimed that the new lighting had helped to reduce the number of accidents in those areas. [ 1 ] [ 13 ] Lamp manufacturers started to promote sodium vapor lamps for "crime fighting", a marketing strategy that backfired when cities such as Newark and New Orleans ...

  7. Commonwealth Edison - Wikipedia

    en.wikipedia.org/wiki/Commonwealth_Edison

    In 1882, this company was taken over by the Western Edison Light Company, which was chartered by several prominent Chicagoans to not only take over Isolated Lighting's role as Edison's agent in Chicago, but also to develop a central station electric system. Western Edison installed the first incandescent lighting in a Chicago home, that of ...