[N020153], Technical Note, Charles Batchelor, Thomas Alva Edison, March 2nd, 1879
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Title
[N020153], Technical Note, Charles Batchelor, Thomas Alva Edison, March 2nd, 1879
Editor's Notes
induction coil telephone design; old original Baryta button as near as Batch could make it N.G.; I now go over all wettin them
Date
1879-03-02
Type
Subject
Folder/Volume ID
N020-F
Microfilm ID
30:1043
Document ID
N020153
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University