Rube Goldberg's "Self-Operating Napkin" (cropped)
![](https://upload.wikimedia.org/wikipedia/commons/a/a9/Rube_Goldberg%27s_"Self-Operating_Napkin"_%28cropped%29.gif)
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Kredit:
Originally published in Collier's, September 26 1931
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428 x 302 Pixel (71672 Bytes)
beskrivelse:
One of Rube Goldberg's inventions
Licens:
Public domain
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![her](https://commons.wikimedia.org/wiki/File:Rube_Goldberg%27s_"Self-Operating_Napkin"_(cropped).gif?uselang=de){kind=link}