[D7802ZZDV], Letter from Moses Gerrish Farmer to Thomas Alva Edison, October 7th, 1878

https://edisondigital.rutgers.edu/document/D7802ZZDV

View document with UniversalViewer   → View document on Archive.org  → Re-use this digital object via a IIIF manifest

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

Date

1878-10-07

Decade

1870-1879

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
Download CSV | JSON