Vintage Electronic Calculators:

Overview of Brands


RICOH: 1420
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AKA: RICOMAC 1420, AKA (Label): 7451-00, Product number (P/N): 745100 (7451-00),
Keywords/Tags: 745100 (7451-00) | 1420
Date of intro: jan-1969, Origin: Japan (List), Dimensions: 420x280x120mm, Weight: 7000g,
Power: AC,
Display: Type = Display (VFD tube) (List),
Number of keys: 32, #Key-Black: 5, #Key-Grey: 6, #Key-Red: 5, #Key-White: 16,
Classification: / Desktop with Display,
Serie-members: RICOH: 1420 (Without Square Root); RICOH: 1420R (With Square Root),
Known Serial-numbers: 20700 (List of all S/Ns from RICOH)
Collector value: 8,5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: DENTAKU MUSEUM


Created: 15-apr-2016, Manual-update: 23-dec-2020, Batch-update: 09-may-2023             

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