[D7929ZAD], Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, March 8th, 1879
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Title
[D7929ZAD], Letter from U.S. Patent Office. Commissioner to Thomas Alva Edison, March 8th, 1879
Editor's Notes
Nicholson interference (duplex) dissolved.
Recipient
Mentioned
Date
1879-03-08
Type
Folder/Volume ID
D7929-F
Microfilm ID
51:426
Document ID
D7929ZAD
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University