Piano stop

Piano stop name given to 2 stops found in some pianos: 1. in the 18th c. (Fr.: jeu céleste; Ger.: Pianozug) a strip of wood to which tongues of leather or cloth were attached. The strips were about 2½ cm. (1 in.) long and could be interposed between hammer and strings. Often made as a divided stop for treble and bass; 2. 19th–20th c.: lever worked by a pedal that raises the hammer rail, thereby shortening the radius of the hammer's blow; nowadays known as the “piano pedal” of upright pianos. It…