Image: Torres Quevedo's Electromechanical Arithmometer

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Description: Torres Quevedo's 1920 arithmometer, fully functional but never commercialized, which used a remote electromechanical typewriter to send commands to a remote electromechanical calculator and to print its results once computed.
Title: Torres Quevedo's Electromechanical Arithmometer
Credit: Bulletin de la Société d'Encouragement pour l'Industrie Nationale - Septembre-Octobre 1920 - page 626
Author: Unknown authorUnknown author
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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