[NS7807H], Technical Note, Charles Batchelor, June 1878
https://edisondigital.rutgers.edu/document/NS7807H
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Title
[NS7807H], Technical Note, Charles Batchelor, June 1878
Editor's Notes
instructions to Kruesi for making diaphragms for phono
Author
Date
1878-06-00
Type
Subject
Folder/Volume ID
NS7807-F
Microfilm ID
7:875
Document ID
NS7807H
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University