AKA (Label): EC-250, ELECTRONIC CALCULATOR, Product number (P/N): EC250 (EC-250),
Keywords/Tags: EC250 (EC-250) | 250 | ELECTRONIC CALCULATOR
Date of intro: ~1973, Origin: USA (List), Dimensions: 152x76mm,
Display: Type = Display (LED) (List),
Keyboard: KLIXON, Number of keys: 18, #Key-Black: 17, #Key-Red: 1,
Classification: / Pocket,
Featuring: Procent,
Related with: RADIO SHACK_parts: (Box) EC250,
Main Components: BOWMAR: PM905411B,
Original Equipment Manufacturer : BOWMAR: MX55 (version 2), Made by: BOWMAR (List of all Import-OEM-models for RADIO SHACK),
Known Serial-numbers: 107205 | 114254 | 115809 | 124446 | 128712 | 128825 (List of all S/Ns from RADIO SHACK)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: SMITHSONIAN MUSIC