[D8136H], Letter from Francis Jehl to Thomas Alva Edison, April 7th, 1881
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Title
[D8136H], Letter from Francis Jehl to Thomas Alva Edison, April 7th, 1881
Editor's Notes
Tested gold (?) bronze wire as requested: its conductivity is 48 where pure copper is taken as 100.
Author
Recipient
Date
1881-04-07
Type
Subject
Folder/Volume ID
D8136-F
Microfilm ID
59:16
Document ID
D8136H
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University