[NV17045], Technical Note, Charles Batchelor, Thomas Alva Edison, January 29th, 1878

https://edisondigital.rutgers.edu/document/NV17045

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Title

[NV17045], Technical Note, Charles Batchelor, Thomas Alva Edison, January 29th, 1878

Editor's Notes

phono as alarm; Batch just tried it its OK loud

Date

1878-01-29

Folder/Volume ID

NV17-F

Microfilm ID

4:914

Document ID

NV17045

Publisher

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