Ernst Chladni at the understanding of electron orbitals. Since at least 1738, a musical instrument called a "Glasspiel" or "verrillon", created by filling beer glasses with varying amounts of water, was popular in Europe. The beer glasses were struck by wooden mallets shaped like spoons to produce "church and other solemn music". Benjamin Franklin was sufficiently impressed by a verrillon performance on a visit to London in 1757 that he created his own instrument, the glass armonica, in 1762. Franklin's armonica inspired several other instruments, including two created by Chladni. In 1791, Chladni invented the musical instrument called the "euphon" (not to
Dennis James (musician) He would never attempt to modernize the feeling of the period by creating a score that would clash."", says Mintun. James plays the Franklin glass armonica and has collected other vitreous music instruments including several Francis Hopkinson Smith's 19th century Grand Harmonicons, one of the few surviving Beyer Glass-cords from 1786, and modern glass instruments such as verrophone, the cristal d' Baschet, along with a wide variety of glass flutes and glass bells. He is currently constructing an expanded version of the French Bouteillophone creating a touring continuo instrument for 18th c. ensemble repertoire. James played his glass instruments on