another expt with gasoline in carbon mould. Expt with coal---got very fine deposit.

Jehl, Francis

1880-10-22

1880-1889

Technical Note

Incandescent lamp

N104175

N104

[N104175], Technical Note, Francis Jehl, October 22nd, 1880

36:354

Thomas Edison National Historical Park

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