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Die große Enzyklopädie des mechanischen Rechnens

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Search results for: Fairweather, Wallace


 
  • Patent:GB190228737 16.04.1903 Fairweather, Wallace (P) : Calculating or Computing Machine
  • Patent:GB190918937 17.08.1910 Fairweather, Wallace (P) : Improvements in Calculating Machines, especially Designed for use in connection with Typewriting Machines
  • Patent:GB190919550 25.08.1910 Fairweather, Wallace (P) : Improvements in Calculating Machines, especially Designed for use in connection with Typewriting Machines

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