Image: Pantelegraph tinfoil mechanism
Pantelegraph_tinfoil_mechanism.jpg (370 × 283 pixels, file size: 27 KB, MIME type: image/jpeg)
Description: Caselli's pantelegraph tinfoil mechanism
Title: Pantelegraph tinfoil mechanism
Credit: http://people.clarkson.edu/~ekatz/scientists/caselli.html
Author: L. Figuier Les Merveilles de la Science
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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