ost careful adjustments is that of regulating the length of the hammer shank, so that the hammer shall strike neither above nor below this line. This adjustment is made by passing a file over the bottom end of the hammer shank uutil it is low- ered to its proper relative position. Tue… … five stages of the construc- tion of the piano keys, it will be noticed that some of the keys bend to the left, others to the right, and it is necessary to have the grain running in the direction of touch is the depth of stroke; these bends in order to se- or vertical distance through cure the…
Internet Archive · Public domain (published before 1931). Free to use for anything.
