[N030027], Technical Note, Charles Batchelor, April 9th, 1879
https://edisondigital.rutgers.edu/document/N030027
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Title
[N030027], Technical Note, Charles Batchelor, April 9th, 1879
Editor's Notes
more chalk tests
Author
Date
1879-04-09
Type
Subject
Folder/Volume ID
N030-F
Microfilm ID
31:907
Document ID
N030027
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University