[N068181], Technical Note, Ludwig K Boehm, August 3rd, 1880
https://edisondigital.rutgers.edu/document/N068181
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Title
[N068181], Technical Note, Ludwig K Boehm, August 3rd, 1880
Editor's Notes
695 looks like 4 parallel, interconnected fall tubes. 696 is a rough sketch of vac apparatus in next entry.
Author
Date
1880-08-03
Type
Subject
Folder/Volume ID
N068-F
Microfilm ID
34:695
Document ID
N068181
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University