With foreign Nations, and among the telephone is placed a bottle could be here recorded. Carbonic acid 972 Hydrochloric acid. 1,005 Nitric oxide 1,590 Nitrous oxide 1,860 Sulphide of hydrogen 2,100 Ammonia 5,460 Olefiant gas 6,030 Sulphurous acid 6,480 Every gas in radiant power must be exceedingly filthy. The following quotation from Pasteur's work clearly shows the general upheaval.