[X128B037], Technical Note, John F Ott, August 26th, 1881
https://edisondigital.rutgers.edu/document/X128B037
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Title
[X128B037], Technical Note, John F Ott, August 26th, 1881
Editor's Notes
looks like regulation. Uses stepper motor to switch in resistances.
Author
Date
1881-08-26
Type
Folder/Volume ID
X128B-F
Document ID
X128B037
Rights
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University