[N070037], Technical Note, Charles Batchelor, January 23rd, 1880
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Title
[N070037], Technical Note, Charles Batchelor, January 23rd, 1880
Editor's Notes
carbon turned edgeways; carbon of ordinary size with large base lugs; make loops with tar rubbed in; press .009 cardboard between plates as hard as possible---what diff in thickness?; make loops of bank note paper, of manilla hemp----measuring resist hot and cold
Author
Date
1880-01-23
Type
Subject
Folder/Volume ID
N070-F
Microfilm ID
34:738
Document ID
N070037
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University