[D8420ZAD], Letter from Charles Wittstein to Thomas Alva Edison, September 15th, 1884
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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
Recipient
Date
1884-09-15
Type
Folder/Volume ID
D8420-F
Microfilm ID
72:910
Document ID
D8420ZAD
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University