[NS7704Y], Technical Note, Charles Batchelor, James Adams, Thomas Alva Edison, April 10th, 1877
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Title
[NS7704Y], Technical Note, Charles Batchelor, James Adams, Thomas Alva Edison, April 10th, 1877
Editor's Notes
Sexty circuits, devices 9 pp; discharge line by tuning forks (NY, albany, roch, buff, toledo, s bend, chi); pol rel w/horseshoe mag "this makes it less sensitive to weak currents"; fr 472 also has 11 Apr sketch
Date
1877-04-10
Type
Folder/Volume ID
NS7704-F
Microfilm ID
7:467
Document ID
NS7704Y
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University