[D7802ZZDV], Letter from Moses Gerrish Farmer to Thomas Alva Edison, October 7th, 1878
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Title
[D7802ZZDV], Letter from Moses Gerrish Farmer to Thomas Alva Edison, October 7th, 1878
Editor's Notes
encloses small piece of iridium as needle for phono will probably answer better than steel and a little inferior to a ruby; also good for EL, gives more light and to higher heat than platinum, but not as good as carbon bar in vacuum or nitrogen; describes his own expts with EL
Author
Recipient
Mentioned
Date
1878-10-07
Type
Folder/Volume ID
D7802-F
Microfilm ID
16:188
Document ID
D7802ZZDV
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University