Vintage Electronic Calculators:

Overview of Brands


MONROE: 4140
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AKA (Label): MODEL 4140, ELECTRONIC PRINTING CALCULATOR, Product number (P/N): 4140,
Keywords/Tags: 4140
Origin: Thailand (List),
Power: AC,
Display: Type = Display (VFD) (List), Extra Display features: Type = Display (LED: as bulb) (List), Quantity = 2,
Number of keys: 38,
Decimal switch: [+-F-0-1-2-3-4-6], Miscellaneous switch: [D-PD-N (Rombus)-GT],
Classification: / Desktop with Display+Printer,
Featuring: Procent,
Certification: 499T(UL) (List All UL's),
Known Serial-numbers: N084194 (List of all S/Ns from MONROE)
Collector value: 6/10,


Created: 21-may-2001, Manual-update: 30-oct-2019, Batch-update: 15-sep-2023             

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