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<p>Philosophical transactions of the Royal Society of London. 
</p><p>"A preface to the third year of these transactions, which is begun with this. An account of the englarments of Philosophical Correspondences​; together with an invitation to contribute inquiries and directions. Inquiries for several parts of the world, as Suratte, and the East-Indies in general; for Persia, the West-Indies, and there particularly, for Virginia, Bermudas, Guaina, Brasil. Those for other countries referred to another oppportunity. Of a considerable load-stone, digged in Devon-shire, weighing 60 pounds. Some observables about load-stones, and sea-compasses. Proposals to try the effects of the rarifying engine exhausted, on plants, seeds, eggs of silk-worms. An experiment prposed of grafting pears upon Spina Cervina (buckthorn). Observations concerning Emmets, their eggs, production, progress, comming to maturity, and life. Account of a book in French, intituled Histoire des Joyaux."--p. 409. 
</p><p>Book review of Samuel Chappuzeau's Histoire des joyaux et des principales richesses de l'Orient &amp; de l'Occident is on p. 429-432.
Chappuzeau's work is available here: <a rel="nofollow" class="external free" href="https://archive.org/details/HistoireDesJoyauxEtDesPrincipalesRichessesDeLorientDeLoccident">https://archive.org/details/HistoireDesJoyauxEtDesPrincipalesRichessesDeLorientDeLoccident</a>
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<br>Subjects: Gems--Early works to 1800; Jewelry trade; Precious stones--Early works to 1800; Pearls--Prices; Valuation</div>
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Royal Society (Great Britain)</div>
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