[LB005634], Letter from Thomas Alva Edison to Sigmund Bergmann, February 5th, 1880
https://edisondigital.rutgers.edu/document/LB005634
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Title
[LB005634], Letter from Thomas Alva Edison to Sigmund Bergmann, February 5th, 1880
Editor's Notes
transmitters are unsatisfactory more trouble with them than with previous ones diaphragms buckle badly no trouble with carbon button or glassses until now and have to renew at least 50%
Author
Recipient
Mentioned
Date
1880-02-05
Type
Folder/Volume ID
LB005-F
Microfilm ID
80:212
Document ID
LB005634
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University