| 1987.0487.321 | Texas Instruments Collection | Object |
| Circuit Board - 1972 TI number: S00312 This item is probably a production prototype of early manufacturing sample for the SR-10 calculator. See S00209 for information on the TI SR-10. The IC date codes indicate this board was assembled in October, 1972. Related material in collection: S00209, 405. |
| Texas Instruments (Doyle Evans, Lee Kitchens, C. B. Wilson.)
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