奧利弗·埃文斯

奧利弗·埃文斯（，），美國發明家。他發明了「兩棲挖掘機」（Oruktor Amphibolos）和改進了蒸氣機。

參考來源

延伸閱讀
Bathe, Greville and Dorothy Bathe (1935), Oliver Evans: a chronicle of early American engineering, Philadelphia: Historical Society of Pennsylvania

外部連結

 Oliver Evans on inventors.about.com
 Evans on invent.org
 "Who made America?" 
 Mural showing Evans' "Steam Powered Amphibious Boat – 1804" (sic) on aoc.gov
Invention & Technology Magazine: "Was This America’s First Steamboat, Locomotive, and Car?" – comprehensive examination of the Oruktor story, and how Evans embellished it over the years, including technical analysis about whether it could ever have worked
 Concise biography of Oliver Evans

美國發明家