[D8637W1], Patent Application, Thomas Alva Edison, August 1st, 1886

Item

Abstract

Draft patent specs for invention that causes transparent liquid film to form on inside of carbon lamp bulb. The film is a conductor of electricity and prevents the lamp filament from blackening the inside of the globe. This is addressed to Dyer, who, according to his [MARG.: "Ans Aug. 3, 86"] U.S. Patent 406,130 Case No. 678

Date

1886-08-01

Decade

1880-1889

Identifier

D8637W1

Folder Set

D8637

Title

[D8637W1], Patent Application, Thomas Alva Edison, August 1st, 1886

Microfilm ID

79:1081

Publisher

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

Item sets