File:Keely Motor or Hydro Vacuo Engine - How it works and why 961.gif

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Keely_Motor_or_Hydro_Vacuo_Engine_-_How_it_works_and_why_961.gif(216 × 309 pixels, file size: 41 KB, MIME type: image/gif)

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current09:58, 30 December 2016
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216 × 309 (41 KB)Maintenance script (talk | contribs)