[N030003], Technical Note, Thomas Alva Edison, April 8th, 1879

https://edisondigital.rutgers.edu/document/N030003

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Title

[N030003], Technical Note, Thomas Alva Edison, April 8th, 1879

Editor's Notes

telephone test, TAE describes what he can hear, diff metals tested as emg points; fr. 901 "Note we find it exceedingly difficult to make comparative tests owing to drying of chalk between the tests"; also tests with and without battery and with different chalks

Date

1879-04-08

Decade

1870-1879

Subject

Folder/Volume ID

N030-F

Microfilm ID

31:895

Document ID

N030003

Publisher

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