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 history of Germany 18th-century history of Germany From the 1680s to 1789, Germany comprised many small territories which were parts of the Holy Roman Empire of the German Nation. Prussia finally emerged as dominant. Meanwhile, the states developed a classical culture that found its greatest expression in the Enlightenment, with world class leaders such as philosophers Leibniz and Kant, writers such as Goethe and Schiller, and musicians Bach and Beethoven. Germany, or more exactly the old Holy Roman Empire, in the 18th century entered a period of decline that would finally lead to the dissolution of the Empire during the Napoleonic Wars. Since