10/01/1881 Eaton, Sherburne Blake to Cheesman, W H
(Edison, Thomas Alva; Meadowcroft, William Henry) Tools and machinery; Shipping and materials handling; Ore milling and separation
[LM005]  Letterbook Series -- Miscellaneous Letterbooks: (LM-005) Ore Milling Co Letterbook (1881-1887)
[LM005009; TAEM 84:235]
Courtesy of Thomas Edison National Historical Park.