Circular multiplying machine (1841) by Didier Roth at Arts et Metiers Museum. Paris, France.

Circular multiplying machine (1841) by Didier Roth at Arts et Metiers Museum. Paris, France.
Photo by Jim Steinhart © 2020, all rights reserved. (Ref: FPMAM439)

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Arts et Metiers Museum - Industrial Machines & Computers

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