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,
Paris in the 18th century the "Nouvelles Eccléstiastiques", first printed in 1728, which circulated the ideas of the Jansenists, a sect denounced by the church. Through the journals, the ideas and discoveries made in Paris were circulated around France and across Europe. In the beginning of the 18th century Paris had a very rudimentary postal service, which had been established in 1644 to carry letters by horseback couriers to other cities in France or abroad, but there was no postal service within the city itself; Parisians had to send a domestic or deliver the letter themselves. In 1758, a private company, called the "Petite Poste",