| Brand | Texas Instruments |
|---|---|
| Model | SR-50 |
| Country of Origin | United States |
| Vintage | Yes |
Check the listing for details. Vintage Texas Instruments SR-50 Slide Rule Calculator Case Box - Untested. Condition: Used, Made in United States. Listed at 24.99 USD. SLIDE RULE. This calculator and its original box are in excellent condition. CASE AND ORIGINAL PAPERWORK. Original batteries are no longer working and does. IN ORIGINAL BOX. I would never lie by omission, and I try to include any and all condition issues.
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