Researches Chemical and Philosophical, by Humphry Davy 66955 [Subtitle: Chiefly concerning nitrous oxide or dephlogisticated nitrous air and its respiration] [Link: https://www.gutenberg.org/6/6/9/5/66955 ] [Files: 66955-0.txt; 66955-h.htm] Thanks to Tim Lindell and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Al