Texas Instruments SR-50 Scientific Calculator Vintage - UNTESTED

VTG Texas Instruments TI SR-50 Slide Rule Calculator 1973 PARTS UNTESTED w/case

Texas Instruments SR-50 Scientific Calculator Vintage 1973 Slide Rule With Case

Vintage TI Texas Instruments SR-50 Slide Rule Calculator PARTS OR REPAIR SR 50

Vintage Texas Instruments Slide-Rule Calculator SR-50 BOX & INSTRUCTIONS ONLY

Texas Instruments Sr -50 Side Rule Calculator For Parts Or Repair , Untested

Vintage Texas Instruments TI SR-50 Slide Rule Calculator 1973 PARTS UNTESTED