[D7719ZDR], Letter from Thomas Alva Edison to Thomas B A David, November 28th, 1877
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Title
[D7719ZDR], Letter from Thomas Alva Edison to Thomas B A David, November 28th, 1877
Editor's Notes
Don't understand about one of David's men working carbon telephone -- what he means is solid disk of either plumbago or lampblack or gas retort carbon same as I have always used -- believes he has perfectly satisfactory telephone now
Author
Recipient
Mentioned
Date
1877-11-28
Type
Folder/Volume ID
D7719-F
Microfilm ID
14:1002
Document ID
D7719ZDR
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University