[D7905ZAD], Letter from John C Smith to Thomas Alva Edison, December 23rd, 1879
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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
Recipient
Date
1879-12-23
Type
Folder/Volume ID
D7905-F
Microfilm ID
49:649
Document ID
D7905ZAD
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University