[MBN002059], Technical Note, Charles Batchelor, June 1st, 1878
https://edisondigital.rutgers.edu/document/MBN002059
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Title
[MBN002059], Technical Note, Charles Batchelor, June 1st, 1878
Editor's Notes
microphone; arrangement of Hughes is infringement
Author
Mentioned
Date
1878-06-01
Type
Folder/Volume ID
MBN002-F
Microfilm ID
90:686
Document ID
MBN002059
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University