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[N029167], Technical Note, Francis Robbins Upton, October 20th, 1879

Title: [N029167], Technical Note, Francis Robbins Upton, October 20th, 1879
Editor's Notes: resistance coils made with chalk and lampblack
Author: Upton, Francis Robbins
Date: 1879-10-20
Type: Technical Note
Subject: Metals and minerals; Carbon, coal, glass, ceramics; Miscellaneous electrical technologies
Folder ID: N029-F
Microfilm ID: 31:855
Document ID: N029167
URL: https://edisondigital.rutgers.edu/document/N029167
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 31