06/11/1891 Livor, Henry M to Edison, Thomas Alva
(Bethlehem Iron Co) Sales and service; Production difficulties and adjustments; Ore concentrate [Marginalia by Edison, Thomas Alva]
[CJ003]  Company Records Series -- New Jersey and Pennsylvania Concentrating Works -- Administrative and Financial Records: Correspondence (1891)
[CJ003ADH; TAEM 149:318]
Courtesy of Thomas Edison National Historical Park.