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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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Skyscrapers Inquiry Unit
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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Skyscrapers Inquiry Unit
Article that highlights the history and development of the electric elevator. Visit Source Download PDF…
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Inquiry Unit
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 illustration of testing the first incandescent lamp in Edison's lab. Download PDF Visit Source…
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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
Photograph of an electric lamp being illuminated by passing a current through the body of Mark Twain. Download PDF Visit Source 1 Visit Source 2…
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Electric Lighting Inquiry Unit
Photographs of Luna Park in Coney Island, NY at night showcasing the spectacular lighting. Download PDF Visit Source…
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Electric Lighting Inquiry Unit
Promotional literature for the Westinghouse Electric Co. Download PDF Visit Source…
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