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Centuries of Progress: American World's Fairs 1853-1982
Online version of an exhibit about U.S. World's Fairs. Includes images from select fairs, a timeline of fair firsts (Otis mechanized elevator in 1853, telephone in 1876, Ferris wheel in 1893, cotton candy in 1904, assembly line in 1915, Miracle Whip in 1933, nylon in 1939, home computer in 1962, Belgian waffle in 1964, and computer touch screen in 1982), and a bibliography listing books for adults and children. From the Hagley Museum & Library.
http://www.hagley.lib.de.us/wf-site/index.html

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