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

Title: [NM017AAS], Technical Note, Thomas Alva Edison, January 27th, 1882
Editor's Notes: "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
Author: Edison, Thomas Alva
Mentioned: Dyer, Richard Nott; Dewar, James
Date: 1882-01-27
Type: Technical Note
Subject: Carbon, coal, glass, ceramics; Incandescent lamp; Vacuum and glass bulb
Folder ID: NM017-F
Microfilm ID: 44:425
Document ID: NM017AAS
URL: https://edisondigital.rutgers.edu/document/NM017AAS
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Has Version: Archive.org Viewer, Microfilm Series Reel 44

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