Developments in technology during this time would lead to the basis of weapons and tools used in both World War I and World War II. Many inventions of this time period also helped the American consumer including the light bulb and the elevator. Many of these simple inventions are taken for granted today but must have revolutionized the lives of the people alive at the time. Due to ease of communication and transportation established previously, this era blossomed with numerous ideas and inventions.

1880      1890      1900      1910      1920      1930      1940

LINKS               PRIMARY SOURCES                  QUIZ

QT3 BIBLIOGRAPHY

FEW GOOD LINKS (many more on the site):
History of the Jeep in 500 Words or Less…. Accessed April 12, 2004: <http://members.dialmaine.com/jeepguy/history.html>

Invent Now. “Hall of Fame/inventor profile: Elisha Graves Otis”. Retrieved March 25, 2004. <http://www.invent.org/hall_of_fame/115.html>

James A. Garfield. 2000 / March 20, 2004. <http://www.jamesgarfield.org/>

Massachusettes Institute of Technology. "Inventor of the Week Archive: Earle Dickinson". Retrieved April 1, 2004. <http://web.mit.edu/invent/iow/dickson.html>

PBS Online. "A Science Odyssey: People and Discoveries: Banting and Best isolate Insulin." Retrieved April 3, 2004. <http://www.pbs.org/wgbh/aso/databank/entries/
dm22in.html>

Tyson, Jeff. How Metal Detectors Work. March 28, 2004. <http://home.howstuffworks.com/metal-detector.htm/printable>

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PRIMARY SOURCES:
 

Bellis, Mary. About Inc. "Traffic Signal". Retrieved April 2, 2004. <http://inventors.about.com/library/inventors/blgas_mask.htm/graphics/
GarrettMorganaa.gif>

Chadwick, James. “Possible Existence of a Neutron.” Nature. 27 Feb 1932. Available 11 April 2004. <http://onsager.bd.psu.edu/~jircitano/neutron.html>

Morrison, Herbert. Radio Broadcast of the Arrival of the Hindenburg. Text available 11 April 2004 at <http://www.unmuseum.org/hindenburg.htm>

“New Kind of Atom Smashing Liberates Millions of Volts.” Science News.14 May 1932. Available 11 April 2004. <http://www.sciencenews.org/articles/20020518/timeline.asp>

Pic of the month. 1995-2000 / March 20, 2004. <http://www.hfmgv.org/exhibits/pic/1999/99.aug.html>

Thomas Edison's Patent Application for the Light Bulb (1880). March 20, 2004. <http://www.ourdocuments.gov/doc_large_image.php?flash=false&doc=46>

Tesla, N. My Inventions.  Available 13 April 2004, Revised 14 January 2004. <http://www.lucidcafe.com/library/96jul/teslaautobio.html>

Elkins, T. Refrigerating Apparatus.  Available 14 April 2004. <http://inventors.about.com/library/graphics/refrgeratorpatent1.gif>

Bellis, Mary. The History of the Refrigerator – and Freezer. Available 12 April 2004. <http://inventors.about.com/library/graphics/figerator.jpg>

Chart of Military Jeeps. Accessed April 13, 2004: <http://www.olive-drab.com/od_mvg_vehicle_id_jeeps.php3>

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