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[PT032AJD1], Letter from Thomas Alva Edison to Frank Lewis Dyer, February 4th, 1909

Title: [PT032AJD1], Letter from Thomas Alva Edison to Frank Lewis Dyer, February 4th, 1909
Author: Edison, Thomas Alva
Recipient: Dyer, Frank Lewis
Date: 1909-02-04
Type: Letter
Subject: Patent application; Chemicals, chemical products, and chemical processes; Disc record and duplicating technology
Folder ID: PT032AJD-F
Microfilm ID: 185:888
Document ID: PT032AJD1
URL: https://edisondigital.rutgers.edu/document/PT032AJD1
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 185