[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

Date

1879-09-00

Folder/Volume ID

N086-F

Microfilm ID

35:936

Document ID

N086035

Publisher

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