[MBN003111C], Technical Note, Charles Batchelor, March 1st, 1879
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Title
[MBN003111C], Technical Note, Charles Batchelor, March 1st, 1879
Editor's Notes
No. 31 1 improved magneto telephone shown in drawing marked Order 31 finished 7 Mar
Author
Date
1879-03-01
Type
Subject
Folder/Volume ID
MBN003-F
Microfilm ID
90:722
Document ID
MBN003111C
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University