[N020159], Technical Note, Thomas Alva Edison, June 20th, 1879
https://edisondigital.rutgers.edu/document/N020159
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Title
[N020159], Technical Note, Thomas Alva Edison, June 20th, 1879
Editor's Notes
Test for new lot of 100 chalks; same as earlier tests; various solutions and bases; fr. 1060 first one that is any way loud without polarizing battery; fr. 1066 "Final" chalk 2 oz caustic soda 1/4 oz 1st class
Author
Date
1879-06-20
Type
Subject
Folder/Volume ID
N020-F
Microfilm ID
30:1046
Document ID
N020159
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University