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| 2933 | Volume 12 | 1950 | 2934 | Volume 12 | 1950 |
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Summary: A simple form of motor equivalent. (See 2939) |
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| This page references 2 pages: 2939 2841 This page is referenced from 2 pages: 2841 2942 |

| This image is reproduced courtesy of The Estate of W. Ross Ashby. Copyright 1972, 2008 © The Estate of W. Ross Ashby |
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