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[LB012030], Letter from Thomas Alva Edison to Unknown, April 4th, 1882

Title: [LB012030], Letter from Thomas Alva Edison to Unknown, April 4th, 1882
Editor's Notes: Referring to yours of March 21, 82. The telephonic principle has been applied to the purppse you suggest but the results obtained have not been reliable or satisfactory.
Author: Edison, Thomas Alva
Recipient: Unknown
Date: 1882-04-04
Type: Letter
Subject: Telephone
Folder ID: LB012-F
Microfilm ID: 81:513
Document ID: LB012030
URL: https://edisondigital.rutgers.edu/document/LB012030
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 81