[NS86ADC4], Technical Note, Thomas Alva Edison, April 21st, 1886

https://edisondigital.rutgers.edu/document/NS86ADC4

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Title

[NS86ADC4], Technical Note, Thomas Alva Edison, April 21st, 1886

Editor's Notes

probably phonoplex drawing

Date

1886-04-21

Decade

1880-1889

Folder/Volume ID

NS86-F

Microfilm ID

162:861

Document ID

NS86ADC4

Publisher

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