Items
Creator is exactly
Thomson (Edgar) Steel Co
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[SB012AAI], Letter from Thomson (Edgar) Steel Co, Thomas Morrison Carnegie to Thomas Alva Edison, July 29th, 1880 1880-07-29 -
[SB012AAK], Letter from Thomas Morrison Carnegie, Thomson (Edgar) Steel Co to Thomas Alva Edison, August 3rd, 1880 1880-08-03