| Four pocket calculators |
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1. Sears-8 (728.58862) LED pocket calculator Manufacturer: Sears Original Price: $80 Original Date: 1974 |
2. Unisonic 1540L LED pocket calculator Manufacturer: Unisonic Original Price: (?) Original Date: c.1976 |
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3. TI 2550 LED pocket calculator Manufacturer: Texas Instruments Original Price: $100 Original Date: 1974 |
4. TI-1270 LED pocket calculator Manufacturer: Texas Instruments Original Price: $13 Original Date: 1976 |
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Sorry, but I no longer collect these items and do not have further information. |
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Mind Machine Museum Home Page
Group Photo (approx. 50k in size) of 45 artifacts
List of artifacts in the 50k Group Photo
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| H. Layer Home Page | 
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Copyright © 1996, H.A.Layer, all rights reserved, updated 2001