[N082215], Technical Note, Francis Robbins Upton, April 21st, 1880
https://edisondigital.rutgers.edu/document/N082215
→ View document with UniversalViewer
→ View document on Archive.org
→ Re-use this digital object via a IIIF manifest
Title
[N082215], Technical Note, Francis Robbins Upton, April 21st, 1880
Editor's Notes
candle measurements of frosted globe. Safety catches continued from p. 207 (fr 692) 23 degrees made .042 wires red hot; 35 degrees made No 12 wires for Columbia mains warm enough to soften the paint.
Author
Date
1880-04-21
Type
Folder/Volume ID
N082-F
Microfilm ID
35:696
Document ID
N082215
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University