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Subseries 2. Training

Folder 13 "Open Hearth First Helper Training Program" for U.S. Steel Duquesne Works, October 12, 1951
Folder 14 "Furnace Operators manual" for Open Hearth at Edgar Thomson Works
Folder 15 "Open Hearth Operating Experiences for Operating and Technical Trainees"
Folder 16 "Open Hearth #5 First helper Orientation program," Homestead Works, 1959
Folder 17 "First Helper's Manual," Open Hearth #5, Homestead Works, 1974