"Tried the experiment of washing out the hydrocarbons." Seems to be heating filaments in chloroform vapor to deposit carbon.

Jehl, Francis

1880-10-19

1880-1889

Technical Note

Incandescent lamp

N104168

N104

[N104168], Technical Note, Francis Jehl, October 19th, 1880

36:351

Thomas Edison National Historical Park

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