[NS7602D], Technical Note, James Adams, Thomas Alva Edison, July 12th, 1876

https://edisondigital.rutgers.edu/document/NS7602D

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Title

[NS7602D], Technical Note, James Adams, Thomas Alva Edison, July 12th, 1876

Editor's Notes

acoustic transfer teleg -- several (7) pages all on Elec Pen Co letterhead -- possibly as illustration to talking telegraph from TI of same date

Date

1876-07-12

Decade

1870-1879

Folder/Volume ID

NS7602-F

Microfilm ID

7:355

Document ID

NS7602D

Publisher

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