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
18th-century French literature the originality and importance of their ideas and for their literary talent; writers such as Voltaire, Rousseau, Montesquieu, Diderot and Beaumarchais, whose ideas are still quoted today. They used their novels and plays as weapons which profoundly changed their society, while expressing their own personalities and feelings. Thanks largely to these writers, in the 18th century French became the language of culture, political and social reform all across Europe, and as far away as America and Russia. 18th-century French literature 18th-century French literature is French literature written between 1715, the year of the death of King Louis XIV of France,