[NS7704ZAW], Technical Note, Thomas Alva Edison, James Adams, May 19th, 1877
https://edisondigital.rutgers.edu/document/NS7704ZAW
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Title
[NS7704ZAW], Technical Note, Thomas Alva Edison, James Adams, May 19th, 1877
Editor's Notes
sexty, 4pp.: relay lever details, modified dpdr plus "pen"??; pressure relay plus dpdr & fancy relay; 3 level; brkwheel for ?
Author
Date
1877-05-19
Type
Folder/Volume ID
NS7704-F
Microfilm ID
7:595
Document ID
NS7704ZAW
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University