File:Piston-Valve.png
Piston-Valve.png (436 × 349 pixels, file size: 59 KB, MIME type: image/png)
Illustration of a steam engine piston valve.
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 01:34, 5 May 2011 | 436 × 349 (59 KB) | Mjn (talk | contribs) | Illustration of a steam engine piston valve. |
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