[N323AAB], Technical Note, John F Ott, Thomas Alva Edison, July 10th, 1886
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Title
[N323AAB], Technical Note, John F Ott, Thomas Alva Edison, July 10th, 1886
Editor's Notes
"General Experiments" Carbonate & Bi-carbonate dry ground up with pyrogallic acid absorb Oxygen from the air use this in pump-- carbonate is better the Bi-Carb-- Phos Anhydride can be ket & moulded in any shape under gasolene & of course almost any Hydrocarbon-- Tested cleaned Lamps after going through washing with Bichromate of Potash & SO4 & distilled water-- feint traces SO4 with Chl Barium but second boiling & washing with distilled H2O got rid of it entirely= Mercury is attacked by Sulphuret of Potassium-- perhaps it wont be dry-- Can use this substance in pump to abosorb Hg Vapors--
Author
Date
1886-07-10
Type
Folder/Volume ID
N323-F
Microfilm ID
43:542
Document ID
N323AAB
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University