[NS7811F], Technical Note, Thomas Alva Edison, Charles Batchelor, June 21st, 1878
https://edisondigital.rutgers.edu/document/NS7811F
→ View document with UniversalViewer
→ View document on Archive.org
→ Re-use this digital object via a IIIF manifest
Title
[NS7811F], Technical Note, Thomas Alva Edison, Charles Batchelor, June 21st, 1878
Editor's Notes
telephone rubber -- followed by automatic current regulator with magnets and carbon -- followed by carbon repeater
Date
1878-06-21
Type
Subject
Folder/Volume ID
NS7811-F
Microfilm ID
7:920
Document ID
NS7811F
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University