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

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Poznámky redaktora
277-278. 2) TAE Hood Wright, Nov 1887, N871115. 5) Edison’s Menlo Park laboratory described Robert Friedel and Paul Israel, Edison* Electric Light (New Brunswick: Rutgers University Press, 1986)pp.ENDNOTES FOR CHAPTER TWO 1) Article Munsey’s Magazine. 3) TAE Ore Milling Syndicate, Feb 1901, 000608. 11) Insull’s notes Meadowcroft Box, #68. 394, 397. 435. TAE Memo, 1888 W. . July 1901, 100521, p. 9) One his first estimates the yearly cost running the West Orange laboratory was: 1) Interest Investment (opportunity costs an investment 184,000 5%) $9,200 2) Insurance $1,100 3) Depreciation 9,200 4) Supplies 7,000 5) Labor costs 62,000 This makes total yearly operating costs $88,900. Lab General. 16) Article Munsey's Magazine. The data available for 1890 shows that the year’s experimental work was billed about $80,000, showing that Edison’s estimate operating costs was fairly accurate. Lab. 12) Bill Book #3, pp. Nov 1888, 1888 Phono Gen. 30-38 6) Orange Herald. 10) TAE E.H. 7) Bank records Drexel, Morgan, E2530, 182.0. 4) Batchelor Diary, 1336, Sept 1887, pp. Johnson, undated, 1888 Phono General. July 1901, Letter Book (LB) 100521, 435. 15) TAE Review Reviews, Oct 1910, 100829, 277. 14) Draft Agreement with Villard, 1888 W. Henceforth letterbooks will cited LB number then page number. 13) Eaton Lewis Tate, June 1889, Miller file 121. 8) TAE note Edison Electric Light Co, July 1887, Conot, p.O. 246