[MBN003137C], Technical Note, Charles Batchelor, April 17th, 1879
https://edisondigital.rutgers.edu/document/MBN003137C
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Title
[MBN003137C], Technical Note, Charles Batchelor, April 17th, 1879
Editor's Notes
No. 128 make a spring for telephone new receiver so drwingfinished 17 Apr; No. 129 fix up walnut box made for new reciver as a complete telephone with transmiter and call see bk 22 dated 14 Apr.
Author
Date
1879-04-17
Type
Folder/Volume ID
MBN003-F
Microfilm ID
90:735
Document ID
MBN003137C
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University