[N052225], Technical Note, Charles Batchelor, December 13th, 1879
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Title
[N052225], Technical Note, Charles Batchelor, December 13th, 1879
Editor's Notes
used plumbago in mould round the edges; iron mould, in both instances resistance higher than should be; thinks slower heating better
Author
Date
1879-12-13
Type
Folder/Volume ID
N052-F
Microfilm ID
33:653
Document ID
N052225
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University