Items
recipient is exactly
Zeiss Optical Works
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[LM103020], Letter from William Kennedy Laurie Dickson, Thomas Alva Edison to Zeiss Optical Works, December 29th, 1891 1891-12-29 -
[LM103023], Letter from Thomas Alva Edison, William Kennedy Laurie Dickson to Zeiss Optical Works, January 4th, 1892 1892-01-04