[D7931E], Letter from Hugh C Robertson to Thomas Alva Edison, August 5th, 1879
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Title
[D7931E], Letter from Hugh C Robertson to Thomas Alva Edison, August 5th, 1879
Editor's Notes
Proposes using clay cylinder instead of tin foil. Marg: "Write & say that we are so busy on the E Light that do not expect to go on experimenting with phono for a year. Then will try his device & inform him of result="
Author
Recipient
Date
1879-08-05
Type
Folder/Volume ID
D7931-F
Microfilm ID
51:676
Document ID
D7931E
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University