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.
Social class in 18th-century Spain Social class in 18th-century Spain The social structure of Spain in the 18th century continued to be based upon nobility and peasantry. However, the period also saw the growth of a middle class, centred upon the growing bureaucracy associated with Bourbon rule, and upon a limited development of commerce and industry. In Spain at this period there were a large number of nobles. Some of them were rich while others were poor workers. Although their number decreased during the second half of the century, they continued numerous, due in part to the large number of "hidalgos" in the north of