[N046235], Technical Note, Thomas Alva Edison, Charles Batchelor, July 12th, 1879
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Title
[N046235], Technical Note, Thomas Alva Edison, Charles Batchelor, July 12th, 1879
Editor's Notes
transmitter and new receiver; fr. 1245 find Hopkin's microphone in Sci Am, find Houston & Thompson repeater, find Hughes microphone
Date
1879-07-12
Type
Subject
Folder/Volume ID
N046-F
Microfilm ID
32:1243
Document ID
N046235
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University