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The mirror of stones; in which the nature, generation, properties, virtues and various species of more than 200 different jewels, are distinctly described. Also certain and infallible rules to know the good frim the bad ... Extracted from the works of Aristotle, Pliny, etc ... / by Camillus Leonardus ... ; Now first translated into English.

Camillo Leonardi

Date:: 1750

Credit: The mirror of stones; in which the nature, generation, properties, virtues and various species of more than 200 different jewels, are distinctly described. Also certain and infallible rules to know the good frim the bad ... Extracted from the works of Aristotle, Pliny, etc ... / by Camillus Leonardus ... ; Now first translated into English. Source: Wellcome Collection.

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as contribute to the Health or Ufefulnefs of Men, tho’ at the Expence,,of late | Houzrs, ‘much Labour, and diligent En- quiries ;. and tho’ the Materials of it were difperfed thro’, the Volumes of various. Authors.. “We have, however, with the utmoft Care, Labour and Attention, col~ lected fuch Things as have been handled, in the Writings of the moft famous Men; into this fmall Tra€@, which we have en- tiled Tur MIRROR oF Stones: In which, as in a Looking-glafs, we may behold their Nature, Powers and Sculp- tures, and attain to the Knowledge of many Things. - But we, who are bound both by Faith and Daty to. your High- nefs, in whom our Hope is placed, who your Country, to your Name we have infcribed this Book ; and this the rather, as you are ftudious, and not only devote yourfelf with all your Might to Arms and the Military, but alfo to the Liberal ‘Arts. Now. if you fhould happen, at a vacant Hour, to caft your Eye over it, and fhould find any Thing injudicioufly exprefs'd, and not approved by your dif- cerning Judgment, be’ pleafed to a{cribe A 3 : it »

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Contents

Volumes