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.
Opaline glass from 1800 to the 1890s, though it reached its peak of popularity during the reign of Napoleon III in the 1850s and 1860s. The glass is opaque or slightly translucent, and can appear either white or brightly colored in shades of green, blue, pink, black, lavender and yellow. The glass has a high lead content which defined it as "demi-crystal" or semi-crystal. The primary influences on this style of glass were 16th century Venetian milk glass, and English white glass produced in 18th century Bristol. Many different pieces were produced in opaline glass, including vases, bowls, cups, coupes, decanters, perfume