Show the piano of the future no more barn hammers mers in pianos the old i fashioned method of pounding musio out of wires by the aid of a wonderfully complicated system of levers and keys which all the world tho thought to la be the ultimate perfection for the production of that sort of tone has been branded as a back number dr richard eisemann of berlin for years a pupil of professor von helmholtz has patented a system which does away with tho the levers entirely he calls this new appliance the piano its distinctive distinct iye principle consist ing in the fact that the vibrations of the chords are not produced by hammers but by an electrio electric current and by means of microphones acting as interrupters of currents all the delicate and complex mechanism of the old piano esdone away with tho the little electric devices are arranged on the crosspiece extending over the strings upon this his electric magnets are placed so as to be only a hairs breadth from the strings pressing down the key sends the electrio electric current into the corresponding electromagnet tro magnet magneL this attracts tho the me tallio tallia string below but the microphone interrupts the current and therewith the attraction the string returns to its former place and this continued attraction and interruption of the current currea are ried on tho the number of vibrations being regulated by the pitch of the string the high sounds produced by this method have a decided harp tone and the lower and mid middle dle registers suggest the cello or the organ in reality the tha installation of this new system creates a new instrument so EO different are the qualities of sound produced by the new method and the old new york journal |