Suggests carbonizing horseshoe by placing between two pieces very hot glass. Marg: "Will try the experiment & let you know result."

Cook, Henry

Edison, Thomas Alva

1880-01-14

1880-1889

Letter

Incandescent lamp

D8020R

D8020

[D8020R], Letter from Henry Cook to Thomas Alva Edison, January 14th, 1880

53:580

Thomas Edison National Historical Park

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