[NS7704ZAG], Technical Note, James Adams, Thomas Alva Edison, April 22nd, 1877

https://edisondigital.rutgers.edu/document/NS7704ZAG

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Title

[NS7704ZAG], Technical Note, James Adams, Thomas Alva Edison, April 22nd, 1877

Editor's Notes

Sexty 5 pp: t forks; "iron plate"; spkng telegh "diaphm thick in middle"; boston boston boston boston; reed;

Date

1877-04-22

Folder/Volume ID

NS7704-F

Microfilm ID

7:503

Document ID

NS7704ZAG

Publisher

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