[N320077], Technical Note, Thomas Alva Edison, June 18th, 1886


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[N320077], Technical Note, Thomas Alva Edison, June 18th, 1886

Editor's Notes

"Notes for Lamp Expmts-- Ammonium Nitrite present in the breath in large quantities after eating especially-- J Chem S vol 25 p. 35 Rain water 2 milgm per litre Nitric acid & Ammonium Nitrite Absptn Coconut chacoal see J Chem Soc March 1870-- also Vol 25 p 649 latter gives table of absptn Cynogen & NH at dif temps [pressure?] 760 min Nitrous oxide deomp by Copper spiral also iron-- Silver Reduced from Oxide by Hydrogen in Lamp absorb mercury Try Potassium amalgam-- Try Lead Reduced by H, for absorbing O hot-- Alcohol cleans glass splendid-- other cleaners Bisulphide Carbon Cynide potassium, Benzine, Nitric acid-- Alkali hot, Heat-- This leaves porous residue charcoal & salts, hence better use alcohol remove it, first hot water, then Alcohol



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Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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