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[D8136H], Letter from Francis Jehl to Thomas Alva Edison, April 7th, 1881

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: Jehl, Francis
Recipient: Edison, Thomas Alva
Date: 1881-04-07
Type: Letter
Subject: Research and development
Folder ID: D8136-F
Microfilm ID: 59:16
Document ID: D8136H
URL: https://edisondigital.rutgers.edu/document/D8136H
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 59