[NM017AAS], Technical Note, Thomas Alva Edison, January 27th, 1882
https://edisondigital.rutgers.edu/document/NM017AAS
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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
Mentioned
Date
1882-01-27
Type
Folder/Volume ID
NM017-F
Microfilm ID
44:425
Document ID
NM017AAS
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University