[NV17109], Technical Note, Thomas Alva Edison, Charles Batchelor, May 24th, 1878
https://edisondigital.rutgers.edu/document/NV17109
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Title
[NV17109], Technical Note, Thomas Alva Edison, Charles Batchelor, May 24th, 1878
Editor's Notes
mouthpiece of speaker
Date
1878-05-24
Type
Subject
Folder/Volume ID
NV17-F
Microfilm ID
4:976
Document ID
NV17109
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University