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[LB025091A], Letter from Thomas Alva Edison to John Clark, September 14th, 1887

Title: [LB025091A], Letter from Thomas Alva Edison to John Clark, September 14th, 1887
Editor's Notes: I have your letter of the 26th of August. The principle which I employ is not thermo-electric. The apparatus is based upon the heating and cooling of iron to increase and diminish its magnetism.
Author: Edison, Thomas Alva
Recipient: Clark, John
Date: 1887-09-14
Type: Letter
Subject: Heat and thermodynamics; Electricity and magnetism
Folder ID: LB025-F
Microfilm ID: 138:222
Document ID: LB025091A
URL: https://edisondigital.rutgers.edu/document/LB025091A
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 138

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