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 of wood, the rest usually being made of white limestone from Arcueil, Vaugirard or Meudon, and plaster from the gypsum mines under Montmartre and around the city. Seventy-one percent of Paris residences had three rooms or less, usually a salon, a bedroom and a kitchen, the salon also serving as a dining room. But forty-five percent of residences did not have a separate kitchen; meals were prepared in the salon or bedroom. In the second half of the century, only 6.5 percent of apartments had a toilet or a bath. In the 18th century, the time of day or night