[NS7704ZAC], Technical Note, James Adams, Thomas Alva Edison, April 14th, 1877
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Title
[NS7704ZAC], Technical Note, James Adams, Thomas Alva Edison, April 14th, 1877
Editor's Notes
sexty 4 pp.: relay details, circuits; suction relay; fr 492 also Apr 15
Author
Date
1877-04-14
Type
Folder/Volume ID
NS7704-F
Microfilm ID
7:490
Document ID
NS7704ZAC
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University