[N020047], Technical Note, Charles Batchelor, May 28th, 1879
https://edisondigital.rutgers.edu/document/N020047
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Title
[N020047], Technical Note, Charles Batchelor, May 28th, 1879
Editor's Notes
chalk tests--use as references for letters
Author
Date
1879-05-28
Type
Subject
Folder/Volume ID
N020-F
Microfilm ID
30:993
Document ID
N020047
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University