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The Pyramid of Cheops or Khufu, constructed c. 2580 – c. 2560 BCE, is the tallest pyramid in Giza and the largest ever constructed in Egypt. Made of limestone and originally reaching a height …
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Ryerson and Burnham Archives, The Art Institute of Chicago - Manuscript/Typescript written by architect Jenney, William Le Baron highlights “Chicago Construction” or “Steel Skeleton Constructio…
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English inventor Henry Bessemer’s US patent for the Manufacture of Iron and Steel. Henry Bessemer is well-known for inventing the first process to mass-produce steel inexpensively. This patent, howe…
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US inventor William Kelly’s US patent for the “Manuf. of Iron & Steel.” Significant debate has ensued over this patent, as a year earlier, in 1856, Henry Bessemer of London, England had ob…
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Ryerson and Burnham Archives, The Art Institute of Chicago – "The Home Insurance Bldg. was the first of the tall fireproof buildings to be erected in the West,” states Jenney, William Le Baron in…
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Photograph of the Tacoma Building and George A. Fuller. George A. Fuller wanted to solve the problem of load-bearing capacities, and in 1889, he built the 13-story Tacoma Building, completely with Bes…
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Article from The Iron Age, October 11, 1900, page 16-18, that highlights the construction of a Bessemer Plant in Youngstown, Ohio. Visit Source 1 Visit Source 2 Download PDF…
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Patent, by African American inventor Alexander Miles, for new and useful improvements in elevators. The patent relates to mechanisms for closing the openings to the shafts of passenger and freight ele…
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Article that highlights the history and development of the electric elevator. Visit Source Download PDF…
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