80 



BUNSEN ON THE FORMATION OF 



Gas from a Brine-spring yielding Mineral Oil near Hanover, 



100-00 



Gas from the detonating Salt of Wieliczka. 



98-93 



Marsh gas from the Coal-seams at Obernkirchen^ , 



92. 



Nitrogen 7*16 



Oxygen 0-45 



Carbonic acid . . . . 2-61 



Marsh gas 97-53 [87*53 ?] 



Hydrogen 0-00 



Carbonic oxide .... 0*00 



Olefiant gas 0*00 



10000 



* From the same boring from which BischofF took gas for analysis. 



