AKA: ELECTRONIC CALCULATOR MODEL 121-B, Product number (P/N): 121B (121-B),
Keywords/Tags: 121B (121-B) | ELECTRONIC CALCULATOR
Date of intro: 1970, Origin: Japan (List),
Power: AC,
Display: Type = Display (Nixie) (List), Digits = 12,
Number of keys: 17, #Key-Black: 4, #Key-Red: 2, #Key-White: 11,
Miscellaneous switch: [OFF-ON],
Classification: / Desktop with Display,
Featuring: Logic-technology: JMOS (Japanese MOS),
Related with: CASIO_docu: (Instr.) 121B; CASIO_parts: (Box) 121B,
Resemblance with: CASIO: ASB; REMINGTON: EDC1201,
Known Serial-numbers: B705467 ((B) 705467) | B705603 ((B) 705603) | B706015 ((B) 706015) | B706275 ((B) 706275) | B706632 ((B) 706632) | B706754 ((B) 706754) (List of all S/Ns from CASIO)
Collector value: 8.5/10,
Internet: Link-1: EARLY ELECTRONIC CALCULATOR TECHNOLOGY REFERENCE, Link-2: YouTube

!!! This item is WANTED to join the collection !!!