Glass harmonica Franz Mesmer also played the armonica and used it as an integral part of his Mesmerism. An original Franklin armonica is in the archives at the Franklin Institute in Philadelphia, having been donated in 1956 by Franklin's descendants after "the children took great delight in breaking the bowls with spoons" during family gatherings. It is only placed on display for special occasions, such as Franklin's birthday. The Franklin Institute is also the home of the Benjamin Franklin National Memorial. A website has attempted to catalog publicly known Franklin-era glass armonicas. The Museum of Fine Arts, Boston has an early 19th-century
Paris in the 18th century polluted since the Middle Ages by the discharge of human and animal waste, the dumping of chemicals by the tanneries, and by the decomposition of bodies in the many cemeteries not far from the river. In the 18th century the Lieutenant General of Police banned taking drinking water from between the present Quai des Celestins and the modern quai de Louvre. Average Parisians depended upon the fountains around city, which were not numerous, did not run at night, were crowded, and required a payment for each bucket taken. Parisians either collected water themselves, sent a servant, or depended upon water