[NV14038], Technical Note, Thomas Alva Edison, February 7th, 1878

Item

Abstract

Telephones with polarization cell; variable resistance by changing polarization of cell and tries with selenium [TAE invents optical telephone?]

Date

1878-02-07

Decade

1870-1879

Subject

Identifier

NV14038

Folder Set

NV14

Title

[NV14038], Technical Note, Thomas Alva Edison, February 7th, 1878

Microfilm ID

4:179

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University