Browse history From year (and earlier): From month (and earlier): all January February March April May June July August September October November December Deleted only For any version listed below, click on its date to view it. For more help, see Help:Page history. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary (cur | prev) 23:22, December 3, 2017 MechQuesteBot (Talk | contribs) m . . (9,170 bytes) (-42) . . (Format) (undo) (cur | prev) 13:43, March 6, 2012 BRG (Talk | contribs) . . (9,212 bytes) (+17) . . (fixed link) (undo) (cur | prev) 10:55, January 24, 2012 220.127.116.11 (Talk) . . (9,195 bytes) (+64) . . (→External links) (undo) (cur | prev) 23:34, January 24, 2006 Dore chakravarty (Talk | contribs) . . (9,131 bytes) (+9,131) . . (Copy from Wiki-edited) Retrieved from "https://engineering.fandom.com/wiki/Heat_engine" Community content is available under CC-BY-SA unless otherwise noted.