File:1902 Hollerith electric tabulating machine.jpg
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1902_Hollerith_electric_tabulating_machine.jpg (331 × 391 pixels, file size: 22 KB, MIME type: image/jpeg)
1902_Hollerith_electric_tabulating_machine.jpg (331 × 391 pixels, file size: 22 KB, MIME type: image/jpeg)
Description1902 Hollerith electric tabulating machine.jpg |
English: Man demonstrating the Hollerith tabulating machine |
Date | |
Source | https://www.census.gov/history/ |
Author | U.S. Census Bureau employees |
Public domainPublic domainfalsefalse |
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This image or file is a work of a United States Census Bureau employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:09, 18 July 2017 | ![]() | 331 × 391 (22 KB) | ArnoldReinhold (talk | contribs) | User created page with UploadWizard |
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User comments | tten by Adobe Photoshop¨ 4.0 |
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JPEG file comment | File written by Adobe Photoshop¨ 4.0 |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |