[NV15174], Technical Note, Thomas Alva Edison, August 7th, 1877
https://edisondigital.rutgers.edu/document/NV15174
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Title
[NV15174], Technical Note, Thomas Alva Edison, August 7th, 1877
Editor's Notes
acoustic -- uses resonator for acoustic tuning fork but unclear
Author
Date
1877-08-07
Type
Subject
Folder/Volume ID
NV15-F
Microfilm ID
4:477
Document ID
NV15174
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University