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[NB260027], Technical Note, Zachariah Power Halpin, April 16th, 1913

Title: [NB260027], Technical Note, Zachariah Power Halpin, April 16th, 1913
Author: Halpin, Zachariah Power
Date: 1913-04-16
Type: Technical Note
Subject: Miner's safety lamp
Folder ID: NB260-F
Microfilm ID: 241:695
Document ID: NB260027
URL: https://edisondigital.rutgers.edu/document/NB260027
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