Items
recipient is exactly
Dunkel (S.P.) and Son
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[E1656AU], Letter from Thomas Alva Edison to Dunkel (S.P.) and Son, January 22nd, 1916 1916-01-22 -
[E1656BB], Letter from Thomas Alva Edison to Dunkel (S.P.) and Son, January 27th, 1916 1916-01-27