Radiation of Heat by Gases and Vapours. 



191 



Tension. 



£ inch 

 1 inch 



By mercurial s gauge. 



Deflection. Absorption. 



58-8 

 60-5 



133 



168 



Table XIV.— Formic Ether. 

 Unit-measure y^th of a cubic inch. 



Absorption. 

 Measures. 



Observed. 



Calculated. 



8-0 



7-5 



160 



15-0 



22-5 



22-5 



30-0 



30-0 



35-2 



37-5 



39-5 



45-0 



450 



52-5 



48-0 



60-0 



50-2 



67'5 



535 



750 



Tension. 



i inch 

 1 inch 



By mercurial gauge. 



Deflection. Absorption. 



58-8 

 62-5 



133 

 193 



Table XV.— Propionate of Ethyle. 



Unit-measure yoth of a cubic inch. 



Absorption. 



Measures. 





Observed. 



Calculated. 



1 





7-0 





7-0 



2 





14-0 





14-0 



3 





21-8 





210 



4 





28-8 





280 



5 





34-4 





350 



6 





38-8 





420 



7 





41-0 





49-0 



8 





42-5 





56-0 



9 





44-8 





63-0 



10 





46-5 





70-0 



rension. 



By 



mercurial 

 Deflection, 



gauge. 



Absorption. 



£ inch 





60-5 





168 



1 inch 





not practicable 





