[D7829T], Letter from Albert Cable Hale to Thomas Alva Edison, February 28th, 1878
Item
Abstract
Received tin foils, they were very useful in Hale's efforts to describe phono -- suggests an improvement of using glass or porcelain rather than metal speaking horn TAE marg: Mr. E directs me to say that he has now attained perfect reproduction-- & that your suggestion of a porcelain funnell is good he will try it and thanks you for the suggestion.
Author
Recipient
Date
1878-02-28
Decade
1870-1879
Type
Identifier
D7829T
Folder Set
D7829
Title
[D7829T], Letter from Albert Cable Hale to Thomas Alva Edison, February 28th, 1878
Microfilm ID
18:930
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University