[N086039], Technical Note, Charles Batchelor, September 30th, 1879
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Title
[N086039], Technical Note, Charles Batchelor, September 30th, 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"
Author
Date
1879-09-30
Type
Subject
Folder/Volume ID
N086-F
Microfilm ID
35:938
Document ID
N086039
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University