Archimedean Screw

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Archimedean screw, gravity principle. Illustration of an unsuccessful scheme for a perpetual-motion device.

Keywords

schematic, invention, perpetual motion machine

Galleries

Screws

Source

Francis Rolt-Wheeler, The Boy with the U.S. Inventors (Boston: Lothrop, Lee & Shepard Co., 1920) 30

Downloads

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2063×2400, 4.7 MiB

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880×1024, 134.3 KiB

Medium GIF

550×640, 62.4 KiB

Small GIF

275×320, 20.5 KiB