Inquiry Unit
Skyscrapers
The symbol of growth in China and India of the early 21st century is the proliferation of skyscrapers. This was also the symbol of urbanization in the early 20th century U.S. How did this come about? …
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Inquiry Unit
The symbol of growth in China and India of the early 21st century is the proliferation of skyscrapers. This was also the symbol of urbanization in the early 20th century U.S. How did this come about? …
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Skyscrapers Inquiry Unit
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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Skyscrapers Inquiry Unit
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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Skyscrapers Inquiry Unit
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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Skyscrapers Inquiry Unit
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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Skyscrapers Inquiry Unit
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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When was the last time you lived without electric lights? Maybe a thunderstorm, hurricane, or blizzard caused a power outage in your neighborhood. Maybe you live in a village without electric lights. …
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Electric Lighting Inquiry Unit
An advertisement for the Rural Electrification Administration and a photograph showing an ERA electric meter on the side of a farmer's house. Download PDF Visit Source 1 Visit Source 2 …
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Electric Lighting Inquiry Unit
Images of old oil lamps from 1840 and 1840. Whale oil lamp, c. 1840. Mrs. Sauer putting oil in lamp, Cavalier County, N.D, Oct. 1940. Download PDF Visit Source 1 Visit Source 2 …
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Electric Lighting Inquiry Unit
A sample of some advertisements for gas lighting solutions from the 19th and 20th Century. Download PDF Visit Source 1 Visit Source 2…
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