File:1890 Census Hollerith Electrical Counting Machines Sci Amer.jpg
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Summary
The Hollerith electric tabulating machine being used for the 1890 U.S. A. Census.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:57, 4 January 2017 | | 622 × 480 (99 KB) | 127.0.0.1 (talk) | <p>The Hollerith electric tabulating machine being used for the 1890 U.S. A. Census. </p> |
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