[N085051], Technical Note, Francis Jehl, September 11th, 1879
https://edisondigital.rutgers.edu/document/N085051
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Title
[N085051], Technical Note, Francis Jehl, September 11th, 1879
Editor's Notes
In the morning the pump was fixed again but problems with vacuum
Author
Date
1879-09-11
Type
Subject
Folder/Volume ID
N085-F
Microfilm ID
35:809
Document ID
N085051
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University