A HISTORY OF EDISON'S WEST ORANGE LABORATORY 1887-1931

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Edison's work improving the phonograph picked up momentum when realized that faced competition this field. believed that the phonograph idea could turned into successful product and returned this problem after his electrical work was complete, giving his close attention during 1886 when he toyed with several different designs for new machine. The major problem was the power source; the tinfoil phonograph was hand-cranked and required a steady, even turning motion produce recognizable sound. Chichester Bell and Charles Tainter were working the Edison tinfoil machine the Volta Associates laboratory in Washington. Another source power had found before the phonograph was commercial product." The "curiosity" market for the phonograph was quickly satisfied and the tinfoil, and the company formed exploit it, languished while Edison worked on his incandescent lighting system. 1885 Edison's English patents the phonograph lapsed, leaving the field wide open .IV- 2 commercial product. The initial experiments were carried out the temporary laboratory the Lamp Works. This made the machine more practical because the wax covering the paper cylinder was more durable than tinfoil and lasted longer. Edison recalled that only small number of tinfoil machines were actually manufactured (many the shops of his associate Sigmund Bergmann), and that "no commercial 2 instrument was made. They improved substituting wax for the tinfoil the cylinder