Context

Context of Pleasure with profit: : consisting of recreations of divers kinds, viz., numerical, geometrical, mechanical, statical, astronomical, horometrical, cryptographical, magnetical, automatical, chymical, and historical. Published to recreate ingenious spirits; and to induce them to make farther scrutiny into these (and the like) sublime sciences. And to divert them from following such vices, to which youth (in this age) are so much inclin'd. By William Leybourn, philomathes. To this work is also annext, A treatise of algebra, according to the late improvements, applied to numerical questions and geometry; with a new series for the speedy extractions of roots; as also a converging series for all manner of adfected equations. By R. Sault, master of the mathematical school in Adam's Court, in Broad-street, near the Royal Exchange, London
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