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Transactions of The Academy of Science of St. Louis. 



VOIi. IX. No. 3. 



THE RELATIONS OF INTERNAL PRESSURE, VOL- 

 UME, AND TEMPERATURE OF AN ISOLATED 

 MASS OF PERFECT GAS OF UNIFORM 

 TEMPERATURE AND IN EQUILIB- 

 RIUM UNDER THE ACTION 

 OF ITS OWN FORCES. 



CALVIN M. WOODWARD. 



^lamed April 28, 1899. 



