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KEYSTONE: SC650
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AKA: SC 650, Made in U S A, Product number (P/N): SC650 (SC 650),
Keywords/Tags: SC650 (SC 650)
Date of intro: ~1974, Origin: USA (List), Dimensions: 139x81mm,
Power: 3V: (AA x2), Adaptor: KEYSTONE_adaptors: 675; KEYSTONE_adaptors: 675E,
Display: Type = Display (Gas disharge) (List), Digits = 8+1,
Number of keys: 20,
Classification: / Pocket,
Featuring: Procent,
Known Serial-numbers: C744093 (C 744093) | C751194 (C 751194) | C756848 (C 756848) (List of all S/Ns from KEYSTONE)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),

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S/N: C756848 (C 756848)

Created: 27-feb-2011, Manual-update: 14-mar-2020, Batch-update: 14-jan-2022             

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