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[[File:Ox powered treadwheel.JPG|thumb|right|300px|[[Ox]] powered [[treadwheel]]]]
An '''animal engine''' is a machine powered by an animal. Horses, donkeys, [[cattle|oxen]], dogs, and humans have all been used in this way.<ref>{{Cite book|title=Farm Motors: steam and gas engines, hydraulic and electric motors, automobiles, animal motors, windmils.|url=https://archive.org/details/farmmotorssteamg00pott|last=Potter|first=A|publisher=McGraw Hill Book Co|year=1917|location=New York}}</ref><ref>{{Cite journal|last1=Braford|first1=B|last2= Major|first2=B |last3=Kenneth|first3=M|date=1979|title=Animal Powered Engines|journal=Technology and Culture|volume=20|issue=2|pages=359–360|doi=10.2307/3103873|jstor=3103873}}</ref><ref>{{Cite book|title=The Making of Urban America|last=Mohl|first=Raymond A.|publisher=Rowman & Littlefield|year=1997|isbn=978-0742552357|location=Lanham|edition=3}}</ref><ref>{{Cite book|title=An Encyclopedia of the History of Technology|last=McNeil|first=Ian|publisher=Routledge|year=2002|isbn=978-1134981656|location=London}}</ref> An unusual  example of an animal engine was recorded at [[Portland, Victoria]] in 1866. A [[kangaroo]] had been tamed and trained to work a treadmill which drove various items of machinery.<ref name=Times160366>{{Cite newspaper The Times |title=Australia |date=16 March 1866 |page=5 |issue=25447 |column=F }}</ref>

==See also==
*[[Experiment (horse powered boat)]]
*[[Gin gang]]
*[[Horse mill]]
*[[Horse engine]]
*[[Persian well]]
*[[Treadwheel]]
*[[Turnspit dog]]

== Books ==
* ''Animal Powered Machines'', [[Ken Major|J. Kenneth Major]]. Shire Album 128 - Shire Publications 1985. {{ISBN|0-85263-710-1}} 
* {{Cite book|title=Water-mills, windmills and horse-mills of South Africa|last=Walton|first=James|publisher=C. Struik Publishers|year=1974|isbn=978-0-86977-040-5|location=Cape Town}}
*{{cite book |last1=Pond |first1=Wilson G. |title=Encyclopedia of Animal Science |date=2005 |publisher=Marcel Dekker |url=https://books.google.com/books?id=1SQl7Ao3mHoC&dq=draft+animals&pg=PA248 |access-date=12 April 2019|isbn=9780824754969 }}

== References ==
{{reflist}}

[[Category:Animal engines|*]]
[[Category:Grinding mills]]
[[Category:Machinery]]

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