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[D8420ZAD], Letter from Charles Wittstein to Thomas Alva Edison, September 15th, 1884

Title: [D8420ZAD], Letter from Charles Wittstein to Thomas Alva Edison, September 15th, 1884
Editor's Notes: pharmacist offers a preparation of black lead and non oxidizable and non cumbustible material as filament; TAE marg: "The suggestions you make were covered by patent in 1878-9"
Author: Wittstein, Charles
Recipient: Edison, Thomas Alva
Date: 1884-09-15
Type: Letter
Subject: Carbon, coal, glass, ceramics; Incandescent lamp
Folder ID: D8420-F
Microfilm ID: 72:910
Document ID: D8420ZAD
URL: https://edisondigital.rutgers.edu/document/D8420ZAD
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 72

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