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

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The spring motor phonograph had two main controls: a start-stop switch which activated the drive and screw to retard accelerate the speed rotation. The cost manufacture had been reduced significantly using many components the old type, including the top plate and reproducer holder. The new models 1896 were not radically new machines. Edison had successfully reoriented the existing technology towards the user simplifying the machine's operation, the user needed only place the diaphragm the record. There were still several adjusting screws on the reproducer assembly which were essential for precise reproduction. The spring motor machine was planned retail at about $40 (equal one years lease the old business .VII-15 reproducer amplify the sound. They were not "inventions" and hardly justified the label of "innovations. The "perfected phonograph" was not the result flash of inspiration but the endpoint years basic research in . this way he eliminated many the operating problems which dogged the business machine. was simple, sturdy, and solid. 23 machine) and was aimed the mass market." Edison commented that the 1896 phonograph was the result design changes rather than any patentable 23 technology. The all important musical reproducer had been developed 1893, and all that was left after this was to engineer commercial machine exploit the better fidelty gained improvements the diaphragm and wax compound