Glass harmonica the result would be musical cacophony. This modification also made it much harder to make the glass "speak", and muffled the sound. In 1975, an original armonica was acquired by the Bakken Museum in Minneapolis and put on display, albeit without its original glass bowls (they were destroyed during shipment). It was purchased through a musical instrument dealer in France, from the descendants of Mme. Brillon de Jouy, a neighbor of Benjamin Franklin's from 1777 to 1785, when he lived in the Paris suburb of Passy. Some 18th- and 19th-century specimens of the armonica have survived into the 21st century.
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",