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Discogs
This document includes a permanent record of vinyl recordings mentioned in the IEEE REACH Electronic Music Inquiry Unit made available via Discogs.com. Discogs does not require a login and provides…
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Cahill Patent
Thaddeus Cahill's Patent: Art of and Apparatus For Generating and Distributing Music Electronically This document includes all ten photos from the Thaddeus Cahill patent and some of the written doc…
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Khufu Pyramid Complex
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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“Chicago Construction or Steel Skeleton Construction”, Jenney, William Le Baron
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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Henry Bessemer of London, England – US Patent #16,082, Nov. 11, 1856 “Manufacture of Iron and Steel”
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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William Kelly – US Patent #17,628, June 23, 1857, “Manuf. of Iron & Steel”
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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Home Insurance Building, Chicago, Illinois & Ditherington/Shrewsbury Flax Mill Building, Shropshire, England
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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The Tacoma Building, Chicago, George A. Fuller Company, General Contractors
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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Youngstown Bessemer Plant of the Republic Iron & Steel Company
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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Alexander Miles. “Improvements in Elevators” U.S. Patent 371,207, 11 October, 1887
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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