[D8403ZAE], Letter from Cumming and Brinkerhoff to Thomas Alva Edison, March 3rd, 1884
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Title
[D8403ZAE], Letter from Cumming and Brinkerhoff to Thomas Alva Edison, March 3rd, 1884
Editor's Notes
Encloses Franklin Inst test report on Cummings Periphery Contact Disc Electrode for telegraphs.
Author
Recipient
Mentioned
Date
1884-03-03
Type
Folder/Volume ID
D8403-F
Microfilm ID
71:69
Document ID
D8403ZAE
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University