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[D8403ZAE], Letter from Cumming and Brinkerhoff to Thomas Alva Edison, March 3rd, 1884

Title: [D8403ZAE], Letter from Cumming and Brinkerhoff to Thomas Alva Edison, March 3rd, 1884
Editor's Notes: Encloses Franklin Inst test report on Cummings Periphery Contact Disc Electrode for telegraphs.
Author: Cumming and Brinkerhoff
Recipient: Edison, Thomas Alva
Mentioned: Franklin Institute
Date: 1884-03-03
Type: Letter
Subject: Expositions, demonstrations, lectures; Telegraph
Folder ID: D8403-F
Microfilm ID: 71:69
Document ID: D8403ZAE
URL: https://edisondigital.rutgers.edu/document/D8403ZAE
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 71
License: CC0 1.0 Universal

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