File:Korsakov punch card.png
From Infogalactic: the planetary knowledge core
Size of this preview: 530 × 600 pixels. Other resolutions: 212 × 240 pixels | 541 × 612 pixels.
Original file (541 × 612 pixels, file size: 197 KB, MIME type: image/png)
Summary
Semen Korsakov's punch card he proposed in 1832
Licensing
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:44, 4 January 2017 | 541 × 612 (197 KB) | 127.0.0.1 (talk) | Semen Korsakov's punch card he proposed in 1832 |
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