12/01/1881 Eaton, Sherburne Blake to Conley, M R
(Tilton, William P) Tools and machinery; Dynamos and generators; Ore milling and separation
[LM005]  Letterbook Series -- Miscellaneous Letterbooks: (LM-005) Ore Milling Co Letterbook (1881-1887)
[LM005068; TAEM 84:251]
Courtesy of Thomas Edison National Historical Park.