File:CTR census machine.JPG
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Original file (1,600 × 1,200 pixels, file size: 810 KB, MIME type: image/jpeg)
Summary
| Description |
English: Hollerith card punch. Photo taken at the Computer History Museum |
| Date | |
| Source | Own work |
| Author | Indolences |
Licensing
|
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 00:47, 24 December 2006 | | 1,600 × 1,200 (810 KB) | wikimediacommons>Indolences |
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