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Die große Enzyklopädie des mechanischen Rechnens

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Patent:US2398238


Patent:US 2398238
Title:Integrating apparatus
Date:09.05.1942
Place:Tulsa (Oklaoma), USA
Country:USA
Person:McNatt, Eugene M.
Company:Standard Oil Development Company
Internal Links:Integraph
Keywords:
Link to the patent office:
(without guarantee)
 US2398238 (espacenet),  US2398238 (uspto)


Filing date: May 9, 1942 Issue date: Apr 9, 1946

"The present Invention is directed to a method and apparatus for integrating mathematical functions."