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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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Electric Lighting Inquiry Unit
Article from volume 12, number 169 of "The Electrical Engineer" from 29 July 1891 covering the electrification of Hawaii. Download PDF Visit Source…
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Electric Lighting Inquiry Unit
An advertisement for sign lighting from Edison Lamp Works of General Electric Company. Download PDF Visit Source…
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Electric Lighting Inquiry Unit
An article by John Humphrey detailing the quality of life without electricity following Hurricane Maria in Puerto Rico. Download PDF Visit Source…
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Refrigerated Rail Car Inquiry Unit
A photo of 3 men loading strawberries into a refrigerated car and a photo of 2 men "icing" a refrigerated car, both courtesy of the Library of Congress. Download PDF Visit Source 1 Visit Sour…
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Inquiry Unit
Some technology is so woven into our lives that we barely notice it. We go about our daily routines without giving it a thought, yet, were it not for these advancements, our routines would be very dif…
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Multimedia
Join historian Alex Magoun on a journey through the history of radio technology from James Clark Maxwell’s theory of electromagnetism to Guglielmo Marconi's use of that theory in long-distance radio…
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Multimedia
Continue on the historical journey of the radio industry with historian Alex Magoun as he goes back in time and shares how engineers and scientists improved wireless telegraphy from Morse code to the …
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Multimedia
Listen in as radio expert Al Klase of the New Jersey Antique Radio Club explains the effects radio had on society and culture in the 1920s and watch as he demonstrates and tunes in a station on an aut…
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