Glass harmonica Franklin and a fellow of the Royal Society, extended the experiments of Pockrich, contriving a set of glasses better tuned and easier to play. During the same decade, Christoph Willibald Gluck also attracted attention playing a similar instrument in England. Benjamin Franklin invented a radically new arrangement of the glasses in 1761 after seeing water-filled wine glasses played by Edmund Delaval at Cambridge in England in May 1761. Franklin worked with London glassblower Charles James to build one, and it had its world premiere in early 1762, played by Marianne Davies. Writing to his friend Giambatista Beccaria in Turin, Italy,
18th-century French literature de Sade (the Marquis de Sade) (1797); "Le Sopha- conte moral" ) ("The Sopha - a moral tale") by Claude Prosper Jolyot de Crébillon (1745), and "les Bijoux indiscrets" ("The indiscreet jewels") (1748) and "La Religieuse" ("The Nun") by Diderot (1760). The novel of feelings appeared in the second half of the 18th century, with the publication of "Julie ou la Nouvelle Héloïse" ("Julie, or the New Heloise"), in a novel in the form of letters, written by Jean-Jacques Rousseau (1761). It was modelled after the English novel "Pamela" by Samuel Richardson, which was the best-selling novel of the century,