Two years thereafter, Mr. Emile Berliner of Washington had invented the _gramophone_, which consists in etching on a metallic plate the record of voice waves. 威廉·亨利·杜利特.世纪发明.
Among those most prominently identified with its development are Bell, Edison, Berliner, Hughes, Gray, Dolbear and Phelps. Edward W. Byrn.十九世纪发明进展.
After fourteen years of litigation the patent was finally awarded to Berliner. Edward W. Byrn.十九世纪发明进展.
These fundamental elements of the Blake transmitter were the inventions of Berliner and Edison, and were made in 1877. Edward W. Byrn.十九世纪发明进展.
That Edison did produce speech with solid electrodes before Berliner is clearly proven. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Berliner’s Telephone Transmitter of variable resistance (pat. Edward W. Byrn.十九世纪发明进展.
Edison preceded Berliner in the transmission of speech. 弗兰克·刘易斯·戴尔.爱迪生的生平和发明.
Berliner and covered by him in patent No. 372,786, Nov. Edward W. Byrn.十九世纪发明进展.