01/05/1904 Mallory, Walter Seeley to Pratt, Mr
(Miller, Oliver W; Converse, John Williams) Financial operations (companies and organizations); Briquettes and bricker machinery
[CJ017]  Company Records Series -- New Jersey and Pennsylvania Concentrating Works -- Administrative and Financial Records: Correspondence (1904)
[CJ017AAA; TAEM 150:29]
Courtesy of Thomas Edison National Historical Park.