[D7801C2A], Letter from John J Simmons to Amos Jay Cummings, June 16th, 1878

https://edisondigital.rutgers.edu/document/D7801C2A

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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

Recipient

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
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