[N029167], Technical Note, Francis Robbins Upton, October 20th, 1879

https://edisondigital.rutgers.edu/document/N029167

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Title

[N029167], Technical Note, Francis Robbins Upton, October 20th, 1879

Editor's Notes

resistance coils made with chalk and lampblack

Date

1879-10-20

Folder/Volume ID

N029-F

Microfilm ID

31:855

Document ID

N029167

Publisher

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