File:U.S. Patent 194047 page 5.gif

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Copyright holder - Victor van Poppelen (User:Victorvp)

Page 5 of Nicolaus Otto's patent for his "Otto Cycle" engine.

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current21:30, 21 October 2005Thumbnail for version as of 21:30, 21 October 2005670 × 1,024 (123 KB)Victorvp (talk | contribs)Copyright holder - Victor van Poppelen (User:Victorvp) Page 5 of Nicolaus Otto's patent for his "Otto Cycle" engine.

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