Experiments and Observations on Different Kinds of Air,Joseph Priestley 29734 [Link: http://www.gutenberg.org/2/9/7/3/29734 ] [Files: 29734.txt; 29734-8.txt; 29734-h.htm] Thanks to Mark C. Orton, Steven Gibbs, Josephine Paolucci and the Online Distributed Proofreading Team at http://www.pgdp.net. Regards, Al