AKA: underwood 340, AKA (Label): ELECTRONIC THERMAL PRINTING CALCULATOR, Product number (P/N): 340,
Keywords/Tags: 340 | underwood
Dimensions: 220x135x60mm,
Power: 6V: (C x4),
Display: Type = Display (None) (List), Extra Display features: Type = Display (LED: as bulb) (List), Quantity = 1,
Number of keys: 24, #Key-Blue: 4, #Key-Grey: 15, #Key-Red: 5,
Keyboard Array (Rows x Columns): 04x07,
Decimal switch: [+-0-2-4-F], Round switch: [0-5-9], Miscellaneous switch: [(Blank)-ACC OFF-ON], Indicators: ON/OVF,
Classification: / Desktop with Printer / Printer (thermal),
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Known Serial-numbers: 4005665 | 4006752 | 4086901 (List of all S/Ns from OLIVETTI)
Collector value: 7/10,