[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
Mentioned
Date
1878-01-29
Type
Subject
Folder/Volume ID
NV17-F
Microfilm ID
4:914
Document ID
NV17045
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University