[NV14073] Technical Note, March 23rd, 1878
https://edisondigital.rutgers.edu/document/NV14073
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Title
[NV14073] Technical Note, March 23rd, 1878
Editor's Notes
Thermo electric telephone with antimony and bismuth "sound waves ben junctures giving heat or rather electric waves corresponding strength to the air or sound waves"
Author
Date
1878-03-23
Type
Subject
Folder/Volume ID
NV14-F
Microfilm ID
4:216
Document ID
NV14073
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University