Timo Leipala

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  • Timo Leipala
  • 2014 Third International Conference on Computer…
  • 2014
In addition to the arithmometers described in this paper, there may still exist some other makes. At least Leningrad handbook 1930 knows artel Standart at Zagorodnyi 10 and 1931 telephone catalog kooperativ Jupiter, which stated that they make arithmometers. Existing examples are, however, not known. The 1939 Leningrad handbook does not list any calculating(More)
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