Image: WaterScrewPerpetualMotion
Size of this preview: 463 × 599 pixels. Other resolutions: 185 × 240 pixels | 535 × 692 pixels.
Original image (535 × 692 pixels, file size: 577 KB, MIME type: image/png)
Description: Water screw perpetum mobile
Title: WaterScrewPerpetualMotion
Credit: en:Image:WaterScrewPerpetualMotion.png
Author: George A. Bockler
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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