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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US1068982


Brevet:US 1068982
Titre:Calculating Machine
Date:29.07.1913
Lieu:Buenos Aires, Argentina
Pays:Ètats-Unis
Personne:Connio, Alexander
Entreprise:
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 US1068982 (espacenet),  US1068982 (uspto)


Issue date: Jul 29, 1913

This invention relates to improvements in calculating machines adapted to perform the operations of multiplication, division, etc. The especial objects of my present invention are to produce a machine of the character stated that can be economically manufactured and easily operated, and that will perform its functions accurately and quickly.