AKA (Label): CODE 7550-32, Product number (P/N): 755032 (7550-32),
Keywords/Tags: 755032 (7550-32) | 1216
Date of intro: 1973, Origin: Japan (List), Dimensions: 254x203x76mm,
Power: AC,
Display: Type = Display (VFD tube) (List), Digits = 12+1,
Number of keys: 25, #Key-Grey: 13, #Key-Red: 1, #Key-White: 11,
Decimal switch: [F-0-1-2-3-4-6], Round switch: [(ArrowDown)-5/4],
Classification: / Desktop with Display,
Featuring: Procent, Memories: 1,
Related with: RICOH_docu: (Ad.) *: We're out to make... (1216,1217,1221P,1221PD),
Components: 16 Diode(s), 8 Transistor(s), 9 IC(s),
Main Components: RICOH: 75504021; RICOH: 75502551A,
Known Serial-numbers: 32233 | 36514 | 44218 (List of all S/Ns from RICOH)
Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: EARLY ELECTRONIC CALCULATOR TECHNOLOGY REFERENCE, Link-2: DENTAKU MUSEUM