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
18th-century London 18th-century London The 18th century was a period of rapid growth for London, reflecting an increasing national population, the early stirrings of the Industrial Revolution, and London's role at the centre of the evolving British Empire. In 1707, an Act of Union was passed merging the Parliament of Scotland and the Parliament of England, thus establishing The Kingdom of Great Britain. A year later, in 1708 Christopher Wren's masterpiece, St. Paul's Cathedral was completed on his birthday. The first service had been held on December 2, 1697, more than 10 years earlier. This Cathedral replaced the original St. Paul's which