[MU004], Letter from Wm Hellesen to Thomas Alva Edison, December 20th, 1878
https://edisondigital.rutgers.edu/document/MU004
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Title
[MU004], Letter from Wm Hellesen to Thomas Alva Edison, December 20th, 1878
Editor's Notes
sends drawing of apparatus for checking current passing through each electric light; Upton to answer
Author
Recipient
Date
1878-12-20
Type
Folder/Volume ID
MU01-F
Microfilm ID
95:504
Document ID
MU004
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University