132 years ago: First American roller coaster opens | kgw.com
Ups and downs: The history of roller coasters
First roller coaster in America opens | June 16, 1884 | HISTORY
Diversions and Inversions: a Roller Coaster History — Katie Smiley
history of roller coasters timeline | Timetoast timelines
History of the roller coaster - Wikipedia
Granville T. Woods | Coney Island History Project
Working Roller Coaster Made Entirely From Cans Unveiled at Canstruction Madison 2013
HISTORY - On #ThisDayinHistory 1884, the first roller coaster in the U.S. opens at Coney Island, in Brooklyn, New York. Known as a switchback railway, it was the invention of LaMarcus Thompson.
Roller coaster - Wikipedia
This Month in Physics History
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