Henceforth letterbooks will cited LB
number then page number.
14) Draft Agreement with Villard, 1888 W. 246.
5) Edison’s Menlo Park laboratory described Robert
Friedel and Paul Israel, Edison* Electric Light (New
Brunswick: Rutgers University Press, 1986)pp.0. 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.
3) TAE Ore Milling Syndicate, Feb 1901, 000608.
12) Bill Book #3, pp.
15) TAE Review Reviews, Oct 1910, 100829, 277. Lab. TAE Memo, 1888
W. July 1901, Letter Book (LB)
100521, 435.
13) Eaton Lewis Tate, June 1889, Miller file 121. July 1901, 100521, p. Nov 1888, 1888 Phono Gen.
4) Batchelor Diary, 1336, Sept 1887, pp.H.
16) Article Munsey's Magazine.
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.O. Johnson, undated, 1888 Phono General. 277-278.
435.
10) TAE E.
11) Insull’s notes Meadowcroft Box, #68.
8) TAE note Edison Electric Light Co, July 1887, Conot,
p.ENDNOTES FOR CHAPTER TWO
1) Article Munsey’s Magazine.
.
2) TAE Hood Wright, Nov 1887, N871115.
7) Bank records Drexel, Morgan, E2530, 182. 394, 397. 30-38
6) Orange Herald
