[SM044093e], Clipping, London (Ont.) Free Press, April 11th, 1889
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Title
[SM044093e], Clipping, London (Ont.) Free Press, April 11th, 1889
Bibliographic Citation
"Advance in Telegraphy", London (Ont.) Free Press, April 11th, 1889
Editor's Notes
"Advance in Telegraphy", London (Ont.) Free Press
The principle behind the phonopore and its admittance into the telephone system.
Author
Date
1889-04-11
Type
Folder/Volume ID
SM044-F
Microfilm ID
26:155
Document ID
SM044093e
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University