[NS7704ZAO], Technical Note, Thomas Alva Edison, Charles Batchelor, May 8th, 1877
https://edisondigital.rutgers.edu/document/NS7704ZAO
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Title
[NS7704ZAO], Technical Note, Thomas Alva Edison, Charles Batchelor, May 8th, 1877
Editor's Notes
sexty 3 pp: relay details "HoopLah";
Date
1877-05-08
Type
Folder/Volume ID
NS7704-F
Microfilm ID
7:532
Document ID
NS7704ZAO
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University