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[N052241], Technical Note, Charles Batchelor, December 17th, 1879

Title: [N052241], Technical Note, Charles Batchelor, December 17th, 1879
Editor's Notes: more carbonization tests; new lamp loop (see page 229) make punch to punch out punched out circle
Author: Batchelor, Charles
Date: 1879-12-17
Type: Technical Note
Subject: Carbon, coal, glass, ceramics; Incandescent lamp; Vacuum and glass bulb
Folder ID: N052-F
Microfilm ID: 33:661
Document ID: N052241
URL: https://edisondigital.rutgers.edu/document/N052241
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 33
License: CC0 1.0 Universal