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Show Origin of the Piano. The pianoforte was directly evolved from the clavichord and the harpsichord. harpsi-chord. In 1711 Sclplone Maffel gave a detailed account of the first four Instruments, which were constructed by Partholommeo Chrustoforl. It was named by him the pianoforte and was first exhibited In 1709. Marius, In France, exhibited harpsichords, with hammer action. In 1716. and Schroter, In Germany, claimed to have Invented Invent-ed the pianoforte between 1717 and 1720. Marius was at first generally credited cred-ited with the Invention. Pianos of that period were shaped much like the modern grand variety. The first square piano was constructed by Frederics, so organ manufacturer of Saxony. In 17jS. The first genuine upright piano pi-ano was Invented In hngland and the United States by John Isaac Hawkins, an Kngilshn,an, In lQ |