[MBN002034], Technical Note, Charles Batchelor, March 18th, 1877
https://edisondigital.rutgers.edu/document/MBN002034
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Title
[MBN002034], Technical Note, Charles Batchelor, March 18th, 1877
Editor's Notes
transmitter with 2 discs of plumbago fastened on springs -- 1st emg receiver
Author
Date
1877-03-18
Type
Folder/Volume ID
MBN002-F
Microfilm ID
90:674
Document ID
MBN002034
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University