Tractatus de curvarum constructione et mensura, ubi plurim series curvarum infinitse vel rectis mensurantur, vel ad simpliores curvas reducantur, pp. 803-812 in Philosophical Transactions, No. 356, May & June 1718

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First edition, complete journal issue. "Gifted with a genius for geometrical investigation second only to Newton's . . . Maclaurin, the one mathematician of the first rank trained in Great Britain in the [18th] century, confirmed Newton's exclusive influence over British mathematics" (DNB). The series of curves treated in this paper are what are now called 'pedal' curves: the pedal curve of a given curve C with respect to a fixed point P is the locus of the foot of the perpendicular from P to a tangent line to C. Maclaurin established many geometrical properties connecting a curve with its pedal. He investigated the properties of the successive pedals of a circle with respect to a point on its circumference, also those of the pedals of curves for which the perpendicular on the tangent varies as some power of the radius vector drawn to the point of contact. Small 4to, pp. 775-814, woodcut diagrams in text. N° de ref. del artículo ABE-1595335595519

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