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[D7905ZAD], Letter from John C Smith to Thomas Alva Edison, December 23rd, 1879

Title: [D7905ZAD], Letter from John C Smith to Thomas Alva Edison, December 23rd, 1879
Editor's Notes: Instead of producing vacuum in ELight bulb, what about introducing enough carbon to combust the oxygen? Marg: ".....ntg can be better than ntg in the vacuum."
Author: Smith, John C
Recipient: Edison, Thomas Alva
Date: 1879-12-23
Type: Letter
Subject: Electric light and power; Vacuum and glass bulb
Folder ID: D7905-F
Microfilm ID: 49:649
Document ID: D7905ZAD
URL: https://edisondigital.rutgers.edu/document/D7905ZAD
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 49