EDISON LABORATORY Edison National Historic Site West Orange, New Jersey Volume 1

| Kategorie: Kniha  | Tento dokument chci!

Vydal: Neurčeno

Strana 127 z 336

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

Jak získat tento dokument?






Poznámky redaktora
369 From around 1910 1912 filming for the Edison Educational Film project was also carried out this building.W.367 The rest the building was taken with equipment manufacture and duplicate cylinder records.N. The Noyes book held the library of the New Jersey State Archives, Trenton, NJ; see also NPS, "HSR, Metallurgical Laboratory, Building No. Berggren Norman Speiden, January 23, 1940, Historical Research Dept. 4," p., also K.W. article Oliver Simmons Munsey’s Magazine for September 1916, pp. 387 C. 371 Ibid., 8. However, 1909 memorandum from Frank Dyer clearly indicates that the initial work was done the Glen Ridge factory. Much his work was concerned with the Diamond Disc record, especially the campaign reduce surface noise playback. 623-628, identifies the group itself the "insomnia squad" and their project the diamond disc record. 4. Noyes, The C. 389 NPS, "HSR, Metallurgical Laboratory, Building No. Ill The 1962 ’’Historic Structures Report” stated that experiments the Edison disc record began here 1910. Handbook (Cincinnati: Deen, 1901). 4," The individuals the photographs were identified Norman Speiden, but not known what based his information. was also heavily involved designing automatic . Building Period III: 1915*1931 The 1918 analysis floor space divides this building into two equal halves: "Disc Record Experimental” and Edison experimenters.368 A photograph from 1912 shows group employees who worked this project (figure 46).371 Edison’s experiments during this period covered everything from testing audions (vacuum tubes) devising new types storage batteries.370 In 1924 large disc press was installed the front part Building This could be the ’’powder blank" machine which was still there 1940. 370 Ibid.G.technicians work here. 368 Frank Dyer Weber, December 15, 1909 (in 1909, Phonograph—General). The first space was devoted to perfecting the production Diamond Discs. The mechanical press set here around 1914 was probably still operation the effort refine mass production of discs, and lower the cost, was carried until the time World War A lean-to erected next the building 1916 was used mix bulk chemicals for records