[NE1694037], Technical Note, Edward Hibberd Johnson, September 4th, 1876

https://edisondigital.rutgers.edu/document/NE1694037

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Title

[NE1694037], Technical Note, Edward Hibberd Johnson, September 4th, 1876

Editor's Notes

to top p. 40: Motograph: chalk drum w/traveling pen fails to work; max friction is key, not pressure; change shape and orientation of point; caustic soda good -- annotate with 6 Sept notes on paper on bottom p. 40

Date

1876-09-04

Decade

1870-1879

Folder/Volume ID

NE1694-F

Microfilm ID

3:297

Document ID

NE1694037

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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