| TI number: S00022 Prototype Calculator, type TI 1225 This was a prototype used in a QRA evaluation. This type was not put into production. However, the QRA tests were satisfactory. Related material in collection: G00084, 85, 106. . |
| Texas Instruments (Heye, McCullough) |
TI calculator - face  © Copyright 2000 Smithsonian Institution |
TI calculator - top end  © Copyright 2000 Smithsonian Institution |
TI calculator - back  © Copyright 2000 Smithsonian Institution |
TI calculator - side  © Copyright 2000 Smithsonian Institution |
         
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