[N086035], Technical Note, Thomas Alva Edison, September 1879
https://edisondigital.rutgers.edu/document/N086035
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Title
[N086035], Technical Note, Thomas Alva Edison, September 1879
Editor's Notes
Nos. of telephones sent to London "These were all very loud talkers no difference between any of them all new transmitters with diaph. adjusted"
Supplied year and month
Author
Date
1879-09-00
Type
Subject
Folder/Volume ID
N086-F
Microfilm ID
35:936
Document ID
N086035
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University