[NV15120], Technical Note, Charles Batchelor, Thomas Alva Edison, December 9th, 1877
Item
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Title
[NV15120], Technical Note, Charles Batchelor, Thomas Alva Edison, December 9th, 1877
Editor's Notes
Model compensation for telephone; patent model drawing c.f. 4:474
Date
1877-12-09
Decade
1870-1879
Type
Subject
Identifier
NV15120
Folder Set
NV15-F
Microfilm ID
4:432
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University