Vintage Electronic Calculators:

Overview of Brands


BOWMAR: 90512
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AKA: Century Mark IV, AKA (Label): MODEL 90512, Product number (P/N): 90512,
Keywords/Tags: 90512 | Century Mark IV
Date of intro: ~1973, Origin: USA (List), Dimensions: 145x75x35mm, Weight: 195g,
Power: Rechargeable,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 17, #Key-Black: 13, #Key-White: 7,
Miscellaneous switch: [K-(Blank) ON-(Blank)],
Classification: / Pocket,
Related with: BOWMAR_parts: (Box) 90512,
Known Serial-numbers: 109011 | 138153 | 140841 (List of all S/Ns from BOWMAR)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),


Label, name plate
S/N: 140841

Label, name plate
S/N: 109011

Created: 01-jan-2014, Manual-update: 15-jun-2021, Batch-update: 15-sep-2023             

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