SMITHSONIAN CONTRIIIIJTIONS TO KNOWLEDGI 



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A DETERMINATION OE TPIE RATIO {.) OV IHl: 



SPECIEIC HliATS AT CONSTANT PRESSURE 



AND AT CONSTANT VOLUME EOR AIR, 



OXYGEN, CARBON-DIOXIDE, 



AND HYDROGEN. 



O. LUMRIER AND E. PRINGSHEIM. 



CITY OF WASHINGTON: 

 PUBLISHED BY THE SMITHSONIAN INSTna^TION. 



1898. 



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