VTG Radio Shack EC-402 Solar Power Calculator w/Case + Manual + Orig Box, Tested

Vintage Radio Shack EC-402 Solar Power Calculator - W/case - Tested

Vintage Radio Shack EC-402 Solar Power Calculator - W/case and manual - Tested

Radio Shack Vintage Solar Powered Calculator EC-443 with Black Case Fully Tested

VTG Radio Shack EC-402 Solar Power Calculator w/Case & Manual

Nice Super Rare Vintage Original Retro Radio Shack EC-402 Solar Power Calculator

Radio Shack Vintage Solar Metric Conversion Calculator w/ Case Black