[NM017AAS], Technical Note, Thomas Alva Edison, January 27th, 1882

Item

Abstract

"Take out this patent U.S. Object process of manufacturing Electric Lamps Invention consists in process of completing an incandescing Electric Lamp first by heating the chamber externally combining therewith a chamber containing an absorbant of gases.." Reads like patent draft. "The main object of this invention is to save the expense of a great number of pump necessarily used on account of the necessity of slowly heating the incandescing conductor Dick--Want to get a process patent on this." Describes use of Dewar's charcoal vacuum apparatus. See patents 278,416 and 248,428

Date

1882-01-27

Decade

1880-1889

Identifier

NM017AAS

Folder Set

NM017

Title

[NM017AAS], Technical Note, Thomas Alva Edison, January 27th, 1882

Microfilm ID

44:425

Publisher

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

Item sets