Show ead fald to be b superior to ta the edisol intention laTen lion la in reproducing ilia the hofei I 1 special P chronicle service I 1 washington oct 24 emile berliner ot of this city haa has perfected his invention of the gramophone and claims that it is la the greatest sound reproducing machine macli lne in existence mr berliner is the inventor 0 of the transmitter used on the telephones honea 0 of he the bell company and is still retained by that company as one of its electricians ians lie ile first exhibited the gramophone not then brought to perfection fec tion in philadelphia may before the franklin institute S since D c 8 then he has spent a year at itt lavatories laba tories in burcope where he put tho the finishing flubbing touches on bis his invention and its reproduction of tha tile human voice Is remarkable matka blo for its clearness in pronunciation cia tion the process of reproduction is short A disc of polished zinc is covered with a fatty film for an etching ground it is placed on a turntable and as one talks in the tube the disc is revolved and the vibrations caused by the sound are traced in the th I 1 film by a small pen the etched plane Is put in chromic acid and in fifteen minutes is ready for use it is put on another turntable and revolved cut by y the turning of a crank there Is practically no limit mr berliner says to the number of reproductions that can call be made from one plate and any number of plates can be mado made from one original moreover the plate can be printed from a photo engraving made from a print and sounds reproduced from this plate with one of the machines |