Image: Rube Goldberg's "Self-Operating Napkin" (cropped)
Rube_Goldberg's_"Self-Operating_Napkin"_(cropped).gif (428 × 302 pixels, file size: 70 KB, MIME type: image/gif)
Description: One of Rube Goldberg's inventions
Title: Rube Goldberg's "Self-Operating Napkin" (cropped)
Credit: Originally published in Collier's, September 26 1931
Author: Rube Goldberg
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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