File:1890 Census Hollerith Electrical Counting Machines Sci Amer.jpg

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1890_Census_Hollerith_Electrical_Counting_Machines_Sci_Amer.jpg ‎(622 × 480 pixels, file size: 99 KB, MIME type: image/jpeg)

Description The Hollerith electric tabulating machine being used for the 1890 U.S. A. Census.
Date
Source Illustration in "Scientific American" magazine, Aug. 30, 1890. Via reproduction at [1]
Author Artist not credited.
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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.
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August 1890Gregorian

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current21:17, 15 May 2012Thumbnail for version as of 21:17, 15 May 2012622 × 480 (99 KB)Infrogmation{{Information |Description=The Hollerith electric tabulating machine being used for the 1890 U.S. A. Census. |Source= Illustration in "Scientific American" magazine, Aug. 30, 1890. Via reproduction at [http://www.officemuseum.com/data_processing_machi...
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