[N310011], Technical Note, Ezra Torrance Gilliland, Thomas Alva Edison, November 11th, 1885

https://edisondigital.rutgers.edu/document/N310011

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Title

[N310011], Technical Note, Ezra Torrance Gilliland, Thomas Alva Edison, November 11th, 1885

Editor's Notes

drawing followed by "Telephone 1/2 distance of metallic ckts with no induction makes 4 times louder-- Receiving phones diferential as to induction currents but OK as to talking currents from Induction Coils opposite direction"

Date

1885-11-11

Subject

Folder/Volume ID

N310-F

Microfilm ID

42:253

Document ID

N310011

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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