The Odhner Arithmometer was a very successful pinwheel calculator invented in Russia in 1873 by W. T. Odhner, a Swedish immigrant. Its industrial production officially began in 1890 in Odhner's Saint Petersburg workshop, and although the machine was popular, production lasted only thirty years until the factory was nationalized and closed during the Russian Revolution of 1917.
Facts
SignificanceBy the 1960s, with millions sold, it became one of the most successful types of mechanical calculator ever designed. 1 Sources
1. Wikipedia: Odhner Arithmometer
Body, Introduction
by the 1960s, with millions sold, it became one of the most successful type of mechanical calculator ever designed
Lead sentence
Odhner Arithmometer was a very successful pinwheel calculator invented in Russia in 1873 by W. T. Odhner, a Swedish immigrant.
Lead
invented in Russia in 1873
Lead section
the production only lasted thirty years until the factory was nationalised and closed down during the Russian revolution of 1917
View the SourceWikidata: Odhner Arithmometer
Wikidata Q2861432, resolved via en.wikipedia pageprops (wave rule R-L)View the Source Reader Challenges (0)
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