Product number (P/N): MKVII,
Keywords/Tags: MKVII | VII | ANITA
Date of intro: 1961, Origin: United Kingdom (List),
Display: Type = Display (Nixie) (List), Digits = 12,
Number of keys: 140, #Key-Grey: 76, #Key-White: 64,
Miscellaneous switch: [(ArrownDown)-NON SHIFT],
Classification: / Desktop,
Related with: SUMLOCK ANITA ELECTRONICS_docu: (Ad.) MKVII: Een afspraak met ANITA (ver.1); SUMLOCK ANITA ELECTRONICS_docu: (Ad.) MKVII: Een afspraak met ANITA (ver.2); SUMLOCK ANITA ELECTRONICS_docu: (Art.) MKVII: Anita rechnet geräuschlos; SUMLOCK ANITA ELECTRONICS_docu: (Art.) MKVII: Elektronischer Tischrechen...; SUMLOCK ANITA ELECTRONICS_docu: (Art.) MKVII: Ontmoeting met Anita,
Known Serial-numbers: CVII0236A (C/VII/0236/A) (List of all S/Ns from SUMLOCK ANITA ELECTRONICS)
Collector value: 10/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Info: First electronic calculator in the World,
A full-keyboard machine using 177 subminiature Thyratron tubes, modelled on the existing SUMLOCK mechanical comptometers.
Internet: Link-1: VINTAGE CALCULATORS WEB MUSEUM, Link-2: ANITA CALCULATORS, Link-3: WIKIPEDIA, Link-4