[D8405O], Letter from F R Campbell to Thomas Alva Edison, November 10th, 1884
https://edisondigital.rutgers.edu/document/D8405O
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Title
[D8405O], Letter from F R Campbell to Thomas Alva Edison, November 10th, 1884
Editor's Notes
Would like information re: TAE's microphone - will try to use it to diagnose diseases in the chest. [TAE marg: It cant be used for the purpose you name it has been tried but does not give true results E]
Author
Recipient
Date
1884-11-10
Type
Folder/Volume ID
D8405-F
Microfilm ID
71:414
Document ID
D8405O
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University