8) TAE note Edison Electric Light Co, July 1887, Conot,
p. Lab.
11) Insull’s notes Meadowcroft Box, #68.
. Henceforth letterbooks will cited LB
number then page number. 246. 277-278.ENDNOTES FOR CHAPTER TWO
1) Article Munsey’s Magazine. July 1901, 100521, p. Johnson, undated, 1888 Phono General. 394, 397. Lab General.
3) TAE Ore Milling Syndicate, Feb 1901, 000608.
12) Bill Book #3, pp. 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. TAE Memo, 1888
W.
15) TAE Review Reviews, Oct 1910, 100829, 277.0.
10) TAE E.
7) Bank records Drexel, Morgan, E2530, 182.
435.
4) Batchelor Diary, 1336, Sept 1887, pp.H.
2) TAE Hood Wright, Nov 1887, N871115.
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.
14) Draft Agreement with Villard, 1888 W. Nov 1888, 1888 Phono Gen. 30-38
6) Orange Herald.O.
5) Edison’s Menlo Park laboratory described Robert
Friedel and Paul Israel, Edison* Electric Light (New
Brunswick: Rutgers University Press, 1986)pp.
16) Article Munsey's Magazine.
13) Eaton Lewis Tate, June 1889, Miller file 121. July 1901, Letter Book (LB)
100521, 435
