[SB017071b], Publication, Edison Electric Light Co, Edward Hibberd Johnson, May 22nd, 1885
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Title
[SB017071b], Publication, Edison Electric Light Co, Edward Hibberd Johnson, May 22nd, 1885
Editor's Notes
Unindexed clipping - Illinois State Register (Springfield, IL), July 8th, 1885. Edison improves his quadruplex instrument, which enables operator at any station to break in at any time and have portion of wire for his particular current that is already being used by eight or nine operators at either or both ends
Mentioned
Date
1885-05-22
Type
Folder/Volume ID
SB017-F
Microfilm ID
89:677
Document ID
SB017071b
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University