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Concerning friction(25), Asclepiades looking upon himself as the inventor of it, has said so much in that book, which he entitled ‘of general remedies,’ that tho’ he mentions only three things, that, and wine, and gestation, yet he has taken up the greatest part of his treatise upon the first. Now as it is not fit to defraud the moderns of the merit either of their new discoveries or judicious imitations, so it is but just at the same time to assign those things, which were practised among some of the ancients, to their true authors. It cannot indeed be doubted, that Asclepiades has been both fuller and clearer in his directions, when and how friction ought to be used; but he has discovered nothing, which was not comprized in a few words by the most ancient author Hippocrates; who said, that friction, if violent, hardens the body; if gentle, softens it; if plentiful, extenuates; if moderate, increases its bulk: from whence it follows, that it is to be made use of, when a lax body requires to be braced; or to soften one, that is indurated; or to dissipate where the fulness is hurtful; or to nourish that, which is slender and infirm.