Items
Creator is exactly
Architectural Concrete Co
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[E1303A], Letter from Walter Seeley Mallory, Architectural Concrete Co to Thomas Alva Edison, January 20th, 1913
1913-01-20 -
[E1803AA], Letter from Architectural Concrete Co, William Eugene Horne to Thomas Alva Edison, May 22nd, 1918
1918-05-22