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1089 | Volume 05 | 1942 | 1090 | Volume 05 | 1942 |
Summary: An example of a break is given in substitution form, like 991. |
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This page is referenced from page 1093 | This page references page 991 |
This image is reproduced courtesy of The Estate of W. Ross Ashby. Copyright 1972, 2008 © The Estate of W. Ross Ashby |