[MBN002063A], Technical Note, Charles Batchelor, August 15th, 1878
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Title
[MBN002063A], Technical Note, Charles Batchelor, August 15th, 1878
Editor's Notes
principle of dampening diaphragm of phono is wrong; resistance box of carbon silks
Author
Date
1878-08-15
Type
Folder/Volume ID
MBN002-F
Microfilm ID
90:688
Document ID
MBN002063A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University