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Title: Chiroplast, Designed to Train Pianists
Caption: Chiroplast is an instrument to guide the hands and fingers of pupils in playing on the piano, invented by John Bernard Logier (February 9, 1777 - February 13, 1846) a German music teacher. The instrument placed the wrist, thumb and fingers of a hand above five consecutive white keys of a keyboard, to overcome the difficulty of retaining their proper position by beginners. It was patented on April 28, 1814, patent # 3806 Apparatus for facilitating the acquirement of proper execution on the piano forte. The use of Chiroplast caused a good deal of criticism and controversy.
Credit: Album / Science Source / New York Public Library
Image size: 4800 × 2079 px | 28.6 MB
Print size: 40.6 × 17.6 cm | 1889.8 × 818.5 in (300 dpi)