[D7719ZCC], Letter from Thomas B A David to Thomas Alva Edison, September 21st, 1877
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Title
[D7719ZCC], Letter from Thomas B A David to Thomas Alva Edison, September 21st, 1877
Editor's Notes
Does not get satisfactory results -- discusses what he has done to improve quality of sound, includes drawing
Author
Recipient
Mentioned
Date
1877-09-21
Type
Subject
Folder/Volume ID
D7719-F
Microfilm ID
14:943
Document ID
D7719ZCC
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University