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

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H. Cave was experimenter involved roasting iron sulphate 1910.127 Dr. Winters TAE, June and July 19, 1909 (in 1909, WOL--Employees).123 May of 1910 appeared the laboratory payrolls experimenter and earned $9 a week. Laverty moved from Pittsburgh and joined the laboratory staff.129 46 . 123 Historian’s Notes 68, 90, and which contain recollections Paul Laverty.124 Thomas Greenley. Otto Grothe. Later worked viscose film for non-inflammable motion picture film" before leaving Edison’s employ about 1911. 124 Ibid. Winters Harry Miller, November 15, 1910 (in 1910, WOL--Employees).122 122 J. was hired around 1906, fired 1910, and replaced Ignatius Goldstein.120 Notebook references indicate Grothe, like Goldstein, worked solutions used electroplating baths. The boy was described unusually talented 'things electrical" and came from "a clear Christian home.H.126 Alexander Herbert Cave. Employee Records, Laboratory Payroll Time Sheets, Box 73; Historian’s Note 90. fancied himself and coming experimenter and used the library in Building advance his education. 125 Employee Records, Laboratory Payroll Time Sheets, Cabinet 50783, Drawer 5. Greenley*s name appears laboratory payrolls least as early February 1906. was put to work the chemical building.Paul Laverty. 129 See for example notebooks N-07-05-13 and N-07-06-29. June 1909, Edison received letter asking him employ a young boy, common enough occurrence the West Orange laboratory. left the laboratory suddenly in November 1910.125 Experimental notebook references indicate was engaged storage battery work around 1907-1908. then worked directly for Edison problems nickel plating and finally worked the project make condensite for disc records. received week. 126 Historian’s Note 90. 127 Historian’s Note 90. Laverty first worked for Thomas Greenley cellulose films for the motion picture department. Grothe was Edison’s analytical chemist.; also J." Edison asked for photograph and eventually Paul S