[D7801C2A], Letter from John J Simmons to Amos Jay Cummings, June 16th, 1878
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Title
[D7801C2A], Letter from John J Simmons to Amos Jay Cummings, June 16th, 1878
Editor's Notes
Wants Edison's circular regarding hearing aid invention
Author
Recipient
Mentioned
Date
1878-06-16
Type
Folder/Volume ID
D7801-F
Microfilm ID
15:128
Document ID
D7801C2A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University