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.
Bristol blue glass many other studio Glassmakers in the South west. Today, Bristol Blue Glass is produced by The Original Bristol Blue Glass Ltd in Brislington, established in 1988. In the 1990s, John Harvey & Sons of Bristol began to sell Bristol Cream sherry in bottles made from Bristol blue. The glass contains cobalt oxide, which creates a deep yet bright blue, and 24% lead oxide (PbO). Bristol blue glass Bristol blue glass has been made in Bristol, England, since the 18th century, with a break between the 1920s and 1980s. During the late 18th century Richard Champion, a Bristol merchant and potter,