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[N119191], Technical Note, Francis Jehl, Francis Robbins Upton, October 5th, 1880

Title: [N119191], Technical Note, Francis Jehl, Francis Robbins Upton, October 5th, 1880
Editor's Notes: More lot 1 factory lamp tests. Same as before. Fr 550 begins summary table---candlepower? Then index. FR 554 is table of foot/pounds, measured before and after. Fr 558 summary table of how many lamps fall in given ranges of ftlbs, ohms.
Author: Jehl, Francis; Upton, Francis Robbins
Mentioned: Edison, Thomas Alva
Date: 1880-10-05
Type: Technical Note
Subject: Electric light and power
Folder ID: N119-F
Microfilm ID: 37:541
Document ID: N119191
URL: https://edisondigital.rutgers.edu/document/N119191
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 37
License: CC0 1.0 Universal

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