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Die große Enzyklopädie des mechanischen Rechnens

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Search results for: Richardson, James


 
  • Patent:FR184083 07.06.1887 Richardson, James (P) : Perfectionnement apporté aux machines à calculer
  • Patent:GB108512 07.08.1917 Richardson, James (P) : Improvements in and relating to the Determination of Volumes of Solid Bodies
  • Patent:US364297 07.06.1887 Richardson, James (P) : Adding machine

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