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[N085169], Technical Note, Francis Robbins Upton, October 19th, 1879

Title: [N085169], Technical Note, Francis Robbins Upton, October 19th, 1879
Editor's Notes: A stick of carbon brought up in a vacuum to 40 candles (say). Mr. B-- trying to make a spiral of carbon; also date of 10/21 stick of carbon about .020 and 1/2 inch long gave cold 4 ohms incandescent 2.3 ohms very good light Pt. wires melted.
Author: Upton, Francis Robbins
Mentioned: Batchelor, Charles
Date: 1879-10-19
Type: Technical Note
Subject: Carbon, coal, glass, ceramics; Incandescent lamp; Vacuum and glass bulb
Folder ID: N085-F
Microfilm ID: 35:867
Document ID: N085169
URL: https://edisondigital.rutgers.edu/document/N085169
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 35

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