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
Peking glass Peking glass Peking glass (also known as Qianlong Glass or Tao Liao Ping) is a form of Chinese glassware that originated in 18th century Peking, China. Originally used in the fabrication of glass snuff bottles, Peking glass has since been appropriated for a number of uses and continues to be produced in China. Peking glass originated in 18th century China during the rule of the Qing Dynasty. While China had long been a major producer of glassware, the introduction of European technologies to Asia in the 17th century caused a shift in the styles of Chinese glass makers. The principle