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Oughtred Society Slide Rule Home Page.

http://www.oughtred.org/

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instrumente
instruments
mathematics
mathematik
rechenschieber

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BibSonomy is offered by the Data Science Chair of the University of Würzburg, the Information Processing and Analytics Group of the Humboldt-Unversität zu Berlin, the KDE Group of the University of Kassel, and the L3S Research Center.