[NS7802A], Technical Note, Thomas Alva Edison, April 30th, 1878
https://edisondigital.rutgers.edu/document/NS7802A
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Title
[NS7802A], Technical Note, Thomas Alva Edison, April 30th, 1878
Editor's Notes
voltometer/aerophone -- not very clear
Author
Date
1878-04-30
Type
Folder/Volume ID
NS7802-F
Microfilm ID
7:752
Document ID
NS7802A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University