Glass harmonica by rubbing glass or crystal goblets or bowls. The alternate instrument consisting of a set of wine glasses (usually tuned with water) is generally known in English as "musical glasses" or the "glass harp". When Benjamin Franklin invented his mechanical version of the instrument in 1761, he called it the armonica, based on the Italian word "armonia", which means "harmony". The unrelated free-reed wind instrument aeolina, today called the "harmonica", was not invented until 1821, sixty years later. The word "hydrodaktulopsychicharmonica" is also recorded, composed of Greek roots to mean something like "harmonica to produce music for the soul by
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",