Vintage Electronic Calculators:

Overview of Brands


BOWMAR: 90412
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AKA (Label): MODEL 90412, Product number (P/N): 90412,
Keywords/Tags: 90412
Date of intro: ~1973, Origin: USA (List), Dimensions: 230x170x60mm, Weight: 800g,
Power: AC,
Display: Type = Display (PANAPLEX II) (List), Digits = 8+1,
Number of keys: 18, #Key-Black: 11, #Key-White: 7,
Decimal switch: [DECIMAL SET_4-3-2-F], Miscellaneous switch: [ON-OFF],
Classification: / Desktop with Display,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Certification: 914C(UL) (List All UL's),
Related with: BOWMAR_parts: E904-011 (Panel),
Components: 2 PCB(s),
Main Components: BOWMAR: PM903401F; AF: 057166001,
Known Serial-numbers: 102194 PHASE 1 (List of all S/Ns from BOWMAR)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),


Created: 01-jan-2014, Manual-update: 12-jul-2020, Batch-update: 24-jun-2022             

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