[NS7802J], Technical Note, Thomas Alva Edison, June 29th, 1878
https://edisondigital.rutgers.edu/document/NS7802J
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Title
[NS7802J], Technical Note, Thomas Alva Edison, June 29th, 1878
Editor's Notes
deaf aerophone and microphone
Author
Date
1878-06-29
Type
Folder/Volume ID
NS7802-F
Microfilm ID
7:767
Document ID
NS7802J
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University