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An extract of a letter from the excellent Renatus Franciscus Slusius, Canon of Liege and Counsellor to his Electoral Highness of Collen, written to the publisher in order to be communicated to the R. Society ; concerning his short and easie method of drawing tangents to all Geometrical curves without any labour of calculation : Here inserted in the same language, in which it was written
Published:01 January 1672https://doi.org/10.1098/rstl.1672.0061

