[NV14150], Technical Note, Charles Batchelor, Thomas Alva Edison, September 27th, 1878
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Title
[NV14150], Technical Note, Charles Batchelor, Thomas Alva Edison, September 27th, 1878
Editor's Notes
patent model new receiver drawings and other drawings from this date for telephone; fr. 313-14 is caveat drawings; fr. 315 labeled Tele-microphone
Date
1878-09-27
Type
Subject
Folder/Volume ID
NV14-F
Microfilm ID
4:307
Document ID
NV14150
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University