10/21/1881 Eaton, Sherburne Blake to Cheesman, W H
(Poughkeepsie Iron and Steel Co) Shipping and materials handling; Metals and minerals; Ore milling and separation
[LM005]  Letterbook Series -- Miscellaneous Letterbooks: (LM-005) Ore Milling Co Letterbook (1881-1887)
[LM005032; TAEM 84:245]
Courtesy of Thomas Edison National Historical Park.