04/24/1891 Eaton, Sherburne Blake to Insull, Samuel
(Cutting, Robert Livingston, Jr; Perry, William S) Management (companies and organizations); Financial operations (companies and organizations); Ore milling and separation [Marginalia by Insull, Samuel]
[CJA]  Company Records Series -- New York Concentrating Works: Administrative Records (1891-1906,1923-1924)
[CJA105; TAEM 148:670]
Courtesy of Thomas Edison National Historical Park.