[posted] Posted (#29734, Priestley) !

[Al Haines]

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]

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Regards,
Al