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Search results for: Addograph


 
  • Patent:DE130338 04.05.1900 The National Addograph (P) C. : Rechenmascine, deren Zählräder mittels Tasten von verschieden langem Hub und Zahnbogen entsprechend dem Werte der angeschlagenen Taste verstellt werden
  • Patent:GB190009811 14.07.1900 Addograph (P) Mfg. Comp. : Improvements in or relating to Combined Typewriting and Computing Machines
  • Patent:US686627 12.11.1901 Holmes Marshall Addograph (P) Comp. : Combined type writing and computing machine
  • Patent:US800810 03.10.1905 Holmes Marshall Joseph T. Uebbing Addograph (P) Mfg. Comp. : Computing-machine
  • Patent:US987150 21.03.1911 Marshall, Holmes Addograph (P) Mfg. Comp. : Computing-machine

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