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[X098HAG], Technical Note, William Joseph Hammer, May 12th, 1880

Title: [X098HAG], Technical Note, William Joseph Hammer, May 12th, 1880
Author: Hammer, William Joseph
Date: 1880-05-12
Type: Technical Note
Subject: Carbon, coal, glass, ceramics; Vacuum and glass bulb
Folder ID: X098HA-F
Document ID: X098HAG
URL: https://edisondigital.rutgers.edu/document/X098HAG
Rights: NMAH Archives Center
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University