Model: Citation (66-4986-7)
Battery: 9 volt
Adapter:
Year: 1978
Chip: TMC0921
Info: If you remove the key-plate known from e.g. the "electronic Wizard" from this Citation you'll get a TI-1050. Everything else is identical, even the back of the calculators tells you the manufacturer Texas Instruments.
.jpg "Olivetti Valentine"){kind=small}
