[LB004207], Letter from Thomas Alva Edison to Lemuel Wright Serrell, March 10th, 1879

Item

Abstract

In patent model sent you on lamp with globe withing globe Interpolate "Chemically pure iorn cobalt or nickel drawn in wire may take the place of platinum where the light is not required to be intense, as these metals when perfectly pure can be freed from gas as described & be brought to a vivid incandescence. I want to claim these metals freed from gas in a sealed vacuum.

Date

1879-03-10

Decade

1870-1879

Type

Identifier

LB004207

Folder Set

LB004

Title

[LB004207], Letter from Thomas Alva Edison to Lemuel Wright Serrell, March 10th, 1879

Microfilm ID

80:57

Publisher

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

Item sets