Glass harmonica by rubbing glass or crystal goblets or bowls. The alternate instrument consisting of a set of wine glasses (usually tuned with water) is generally known in English as "musical glasses" or the "glass harp". When Benjamin Franklin invented his mechanical version of the instrument in 1761, he called it the armonica, based on the Italian word "armonia", which means "harmony". The unrelated free-reed wind instrument aeolina, today called the "harmonica", was not invented until 1821, sixty years later. The word "hydrodaktulopsychicharmonica" is also recorded, composed of Greek roots to mean something like "harmonica to produce music for the soul by
Paris in the 18th century the "Petits-Augustins" became officially the Museum of French Monuments. Construction begins on the church of "Sainte-Geneviève" (now the Panthéon). Paris in the 18th century Paris in the 18th century was the second-largest city in Europe, after London, with a population of about 600,000 people. The century saw the construction of Place Vendôme, the Place de la Concorde, the Champs-Élysées, the church of Les Invalides, and the Panthéon, and the founding of the Louvre Museum. Paris witnessed the end of the reign of Louis XIV, was the center stage of the Enlightenment and the French Revolution, saw the first manned flight,