Arithmetical machine with direct multiplication (1889) by Léon Bollée (shown Paris Expo 1889) at Arts et Metiers Museum. Paris, France.
Photo by Jim Steinhart © 2020, all rights reserved. (Ref: FPMAM444)
Click an index below to see this photo among related images:
Paris Exposition Universelle 1889
Arts et Metiers Museum - Industrial Machines & Computers