[NS7812A], Technical Note, Charles Batchelor, Thomas Alva Edison, June 21st, 1878
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Title
[NS7812A], Technical Note, Charles Batchelor, Thomas Alva Edison, June 21st, 1878
Editor's Notes
Voltameter -- intensity of current measured by sound? -- perhaps select this for voltameter and annotate with subsequent notes and drawings on development
Date
1878-06-21
Type
Subject
Folder/Volume ID
NS7812-F
Microfilm ID
7:933
Document ID
NS7812A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University