AKA: SE-121P, AKA (Label): model SE-121P, SILVER BUSINESS CORP., Product number (P/N): SE121P (SE-121P),
Keywords/Tags: SE121P (SE-121P) | SILVER BUSINESS CORP.
Date of intro: 1971, Origin: Japan (List), Dimensions: 350x240x140mm,
Power: AC,
Display: Type = Display (None) (List),
Number of keys: 22, #Key-Black: 17, #Key-Blue: 3, #Key-Red: 2,
Keyboard Array (Rows x Columns): 04x08, Keyboard Layout: [7] [8] [9] [M+] [M-] - [T] [(Rhombus)] [4] [5] [6] [x] [(Division)] - [AC] [C] [1] [2] [3] [=+] [=-] - [FEED] [0] [.],
Decimal switch: [6-4-3-2-1-0], Round switch: [F-5/4-CUT],
Classification: / Desktop with Printer,
Related with: SILVER-REED_docu: (instr.) SE121P,
Original Equipment Manufacturer : CASIO: R1,
Known Serial-numbers: 405431 (List of all S/Ns from SILVER-REED)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),