[MBN002049A], Technical Note, Charles Batchelor, November 24th, 1877
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Title
[MBN002049A], Technical Note, Charles Batchelor, November 24th, 1877
Editor's Notes
found that telephones like No. 62 [a previous entry] work best when placed in a polarized circuit -- drawing shows circuit -- Batch also tried working platina point arrangement like drawings in this circuit
Author
Date
1877-11-24
Type
Subject
Folder/Volume ID
MBN002-F
Microfilm ID
90:681
Document ID
MBN002049A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University