[NA023093], Technical Note, Thomas Alva Edison, March 17th, 1889
https://edisondigital.rutgers.edu/document/NA023093
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Title
[NA023093], Technical Note, Thomas Alva Edison, March 17th, 1889
Editor's Notes
[draft] Caveat Phono & EL [drawings labeled recorder and receiver points] Round ose Recorder-- Receiver has round nose slightly smaller & on center##[drawing] flexible Ribbons brush receiver point##Lead or tin point [drawing]##[drawing with labels] Transmission power##[drawing "new knife"] Good##[drawing "New Recorder point} This solves the problem of alignment & interchanging or renewing phonograph R&R points
Author
Date
1889-03-17
Type
Folder/Volume ID
NA023-F
Microfilm ID
99:357
Document ID
NA023093
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University