[D7801A5], Letter from R D Unger to Thomas Alva Edison, April 9th, 1878

https://edisondigital.rutgers.edu/document/D7801A5

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Title

[D7801A5], Letter from R D Unger to Thomas Alva Edison, April 9th, 1878

Editor's Notes

Has electrical mode of treating deafness -- offers to cure Edison in exchange for phonograph

Author

Date

1878-04-09

Decade

1870-1879

Type

Folder/Volume ID

D7801-F

Microfilm ID

15:20

Document ID

D7801A5

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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