[D8501A], Letter from William Hollingsworth Mackall to Thomas Alva Edison, February 9th, 1885
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Title
[D8501A], Letter from William Hollingsworth Mackall to Thomas Alva Edison, February 9th, 1885
Editor's Notes
Partially deaf; have trouble hearing through telephone. Heard in 1876 you were experimenting to overcome this difficulty; any success?
Recipient
Date
1885-02-09
Type
Subject
Folder/Volume ID
D8501-F
Microfilm ID
77:5
Document ID
D8501A
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University