[D7905L], Letter from C W Grant to Thomas Alva Edison, July 10th, 1879
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Title
[D7905L], Letter from C W Grant to Thomas Alva Edison, July 10th, 1879
Editor's Notes
Can principle of chemical teleph be applied to a writing telegraph, as per enclosed description & sketch? Marg: "anything can be done on a teleg line with a magnet can be done with a chem tel...."
Author
Recipient
Date
1879-07-10
Type
Folder/Volume ID
D7905-F
Microfilm ID
49:622
Document ID
D7905L
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University