8) TAE note Edison Electric Light Co, July 1887, Conot,
p. 394, 397. July 1901, Letter Book (LB)
100521, 435.ENDNOTES FOR CHAPTER TWO
1) Article Munsey’s Magazine. Johnson, undated, 1888 Phono General.
7) Bank records Drexel, Morgan, E2530, 182. 30-38
6) Orange Herald.
.
14) Draft Agreement with Villard, 1888 W.H.
11) Insull’s notes Meadowcroft Box, #68.0. Lab. 246.
15) TAE Review Reviews, Oct 1910, 100829, 277.O.
10) TAE E.
4) Batchelor Diary, 1336, Sept 1887, pp. Nov 1888, 1888 Phono Gen.
2) TAE Hood Wright, Nov 1887, N871115.
16) Article Munsey's Magazine. July 1901, 100521, p. 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. 277-278.
435.
5) Edison’s Menlo Park laboratory described Robert
Friedel and Paul Israel, Edison* Electric Light (New
Brunswick: Rutgers University Press, 1986)pp.
13) Eaton Lewis Tate, June 1889, Miller file 121.
12) Bill Book #3, pp. TAE Memo, 1888
W. Lab General.
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. Henceforth letterbooks will cited LB
number then page number.
3) TAE Ore Milling Syndicate, Feb 1901, 000608
