[MBN003109C], Technical Note, Charles Batchelor, February 27th, 1879

https://edisondigital.rutgers.edu/document/MBN003109C

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Title

[MBN003109C], Technical Note, Charles Batchelor, February 27th, 1879

Editor's Notes

No. 25 make rough box to show design of telephone iwth new receiver principle finished 2 mar

Date

1879-02-27

Folder/Volume ID

MBN003-F

Microfilm ID

90:721

Document ID

MBN003109C

Publisher

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