File:Sibyl Rock Control Engineering 1955.jpg
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Sibyl_Rock_Control_Engineering_1955.jpg (522 × 480 pixels, file size: 120 KB, MIME type: image/jpeg)
![]() | This image appeared on Wikipedia's Main Page in the Did you know? column on 24 October 2013 (see archives). | ![]() |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:16, 16 October 2013 | ![]() | 522 × 480 (120 KB) | Mary Mark Ockerbloom | {{Information |Description ={{en|1=Photograph of Sibyl M. Rock in the article "Sibyl Rock puts digits to work" in ''Control Engineering'', February 1955, p. 11. Mathematician Sibyl Rock is seated, smiling, in front of an Elect... |
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