[D7702M], Letter from Central District and Printing Telegraph Co, Thomas B A David to Thomas Alva Edison, May 17th, 1877
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Title
[D7702M], Letter from Central District and Printing Telegraph Co, Thomas B A David to Thomas Alva Edison, May 17th, 1877
Editor's Notes
If TAE hasn't taken out patent on Copal discovery might be better not to as easier to keep secret than find parties who might infringe
Recipient
Date
1877-05-17
Type
Subject
Folder/Volume ID
D7702-F
Microfilm ID
14:59
Document ID
D7702M
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University