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[NB262011], Technical Note, Zachariah Power Halpin, July 20th, 1914

Title: [NB262011], Technical Note, Zachariah Power Halpin, July 20th, 1914
Author: Halpin, Zachariah Power
Mentioned: General Electric Co; McCandless (H.W.) & Co
Date: 1914-07-20
Type: Technical Note
Subject: Miner's safety lamp
Folder ID: NB262-F
Microfilm ID: 241:853
Document ID: NB262011
URL: https://edisondigital.rutgers.edu/document/NB262011
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 241