[NM020AAL], Technical Note, Thomas Alva Edison, October 22nd, 1885
https://edisondigital.rutgers.edu/document/NM020AAL
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Title
[NM020AAL], Technical Note, Thomas Alva Edison, October 22nd, 1885
Editor's Notes
"Dick-- In view of that patent [drawing] assigned to WU change the diagram thus [drawing] pen in center diaphragm & little weight"; drawing and description of 3 key features for "New patent on phonoplex" note on back to "look up Gray's patent on condenser around relay" also refers to Case 132
Author
Mentioned
Date
1885-10-22
Type
Folder/Volume ID
NM020-F
Microfilm ID
44:695
Document ID
NM020AAL
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University