AKA: Litton MONROE, AKA (Label): MODEL 420, ELECTRONIC DISPLAY CALCULATOR, Product number (P/N): 420,
Keywords/Tags: 420 | Litton MONROE
Date of intro: 1973, Origin: USA (List), Dimensions: 216x203x89mm,
Power: AC,
Display: Type = Display (Gas disharge) (List), Digits = 12,
Number of keys: 22,
Classification: / Desktop with Display,
Featuring: Procent,
Serie-members: MONROE: 420 (version-1) (With [%]); MONROE: 420 (version-2) (Without [%]),
Known Serial-numbers: H303285 (List of all S/Ns from MONROE)
Courtesy of: CALCUSEUM (Serge DEVIDTS),