Mr. William Oughtred's Key of the Mathematicks. Newly Translated From the Best Edition, With Notes, Rendring it Easy and Itelligible to Less Skilful Readers. In Which Also, Some Problems Left Unanswer'd by the Author are Resolv'd .

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Mr. William Oughtred's Key of the Mathematicks. Newly Translated From the Best Edition, With Notes, Rendring it Easy and Itelligible to Less Skilful Readers. In Which Also, Some Problems Left Unanswer'd by the Author are Resolv'd .