01/03/1882 Eaton, Sherburne Blake to Conley, M R
(Edison Electric Light Co; Andrews, William Symes) Financial operations (companies and organizations); Metals and minerals; Ore milling and separation
[LM005]  Letterbook Series -- Miscellaneous Letterbooks: (LM-005) Ore Milling Co Letterbook (1881-1887)
[LM005094; TAEM 84:260]
Courtesy of Thomas Edison National Historical Park.