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

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VIII-32 celluloid— much harder substance than the stearic wax compound— the early years the twentieth century but had not secured patent protection for this area research. . A legal solution was eventually found this problem the purchase rights foreign patents celluloid, but until a harder material could developed Edison's customers were not . 49 satisfied with the Amberol cylinders. Edison's response growing competition the phonograph industry was improve the sound his phonograph to make recreate music more realistically. This line experiments led both improved reproducers and better cutters— the tool that incised the sound waves the masters. found that semi-viscous compounds— goo the muckers— performed well not only seal around the vibrating membrane but also managed to dampen the sound prevent excessive highs and lows. The Columbia Company gave the National Phonograph administration fright by ruthlessly cutting prices during the first years the new century. He tried many combinations organic and inorganic materials in the reproducer design achieve the right sound. Gilmore confidently wrote Edison that hope you have had good results with your new recorder experiments, and that you will soon able produce much better record, which will offset this very radical move their part." The laboratory had made considerable investment basic knowledge sound during the nineteenth century and Edison continued exploit this information base the twentieth