Mathematical Principles of Natural Philosophy (1687) - Page 2

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To a man distinguished alike for his learning and his character.

To Mr. Antonio de Ulloa of Seville,

Antonio de Ulloa (1716–1795) was a Spanish scientist, naval officer, and colonial administrator. He is famous for his scientific expedition to Peru and for being the first to describe platinum as a distinct metal. At the time of this dedication, he had recently been released from British custody after being captured at sea during the War of Jenkins' Ear.

a favorable return to his Homeland

and all things thereafter prosperous

he heartily prays.

Martin Folkes, President of the Royal Society

Martin Folkes (1690–1754) was an English antiquary, mathematician, and numismatist. He was a key figure in the Enlightenment "Republic of Letters," a community of scholars who maintained intellectual exchange across national and political borders.

of London, and Fellow of the Royal Academy

of Sciences in Paris.

May 13, in the year of our restored Salvation 1746.
original: "3° Eid. Maij. Anno Salutis reparatæ M.DCCXLVI." In the Roman calendar, the Ides of May falls on the 15th; counting back three days inclusively brings the date to May 13th. "The year of restored Salvation" is a traditional way of referring to the Year of Our Lord (Anno Domini).

An ornate engraved ex-libris (bookplate) belonging to Antonio de Ulloa. The central heraldic shield features three horizontal bars and is surmounted by a royal crown. The shield is flanked by military trophies, including flags and spears. The base of the engraving features decorative scrollwork containing an intertwined monogram. At the very bottom, a banner contains the text: FROM THE LIBRARY OF D. A. de ULLOA.