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[N082215], Technical Note, Francis Robbins Upton, April 21st, 1880

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: Upton, Francis Robbins
Date: 1880-04-21
Type: Technical Note
Subject: Vacuum and glass bulb; Sockets, fuses, meters, and other interior elements
Folder ID: N082-F
Microfilm ID: 35:696
Document ID: N082215
URL: https://edisondigital.rutgers.edu/document/N082215
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 35

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