File:Torres Quevedo's Electromechanical Arithmometer.png

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Summary

Description	English: 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.
Date	8 December 2013, 10:44:36
Source	Bulletin de la Société d'Encouragement pour l'Industrie Nationale - Septembre-Octobre 1920 - page 626
Author	Unknown authorUnknown author

Licensing

Public domain	This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
	This image might not be in the public domain outside of the United States; this especially applies in the countries and areas that do not apply the rule of the shorter term for US works, such as Canada, Mainland China (not Hong Kong or Macao), Germany, Mexico, and Switzerland. The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.