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

| Kategorie: Kniha  | Tento dokument chci!

Vydal: Neurčeno

Strana 257 z 567

Vámi hledaný text obsahuje tato stránku dokumentu který není autorem určen k veřejnému šíření.

Jak získat tento dokument?






Poznámky redaktora
became president and made Tate vice-president. Lippincott's death 1891 produced vacuum the management the North American Company that Edison filled. There were only three companies with high sales and good management, the Columbia, New England, and New York Phonograph Companies. His first policy was dismantle the franchise system and replace national sales network.VII-11 Aylsworth therefore had work closely with Charles Wurth and his duplicating team because each experimental project depended on each other; new compounds acted differently the duplicating process and each compound performed differently in both recording and reproduction. spent many hours in the chemical lab Building working this problem and enjoyed every minute it. Here was chemical challenge that Edison enthusiastically took up. .) This area research remained the vital part of phonograph technology into the twentieth century. 1891 only 19 franchisees remained out the original and their future looked bleak. While the basic research the amusement phonograph was undertaken the laboratory, the business the North American Phonograph Company declined. The mainstay their business was the continued popularity the coin-in-the-slot machines, which 15 were normally converted Edison phonographs. The major development paths for phonograph technology— increased playing time and more fidelity— were dependent harder wax the cylinder.dllus 7-1, Edison chemical lab, 1908