M' Alpine & Hutchinson — On Vartry and Canal Waters. 83 



Percentage Volume Composition. 



Carbonic acid, ol*161 



Oxygen, 16-260 



Mtrogen, 32 -0 69 



Total, . . . 99-990 



Absolute Volume Composition in Cuh. Cents. 



Carbonic acid, 26-918 



Oxygen, 8-558 



Xitrogen, 17-138 



Total, . . . 52-614 



1,000,000 litres of water contain 21,741 litres of mixed gases. 



'iSo. ^ll.—Tahen at Baagot-street Bridge, 2lst Jane, 1877. 



Water used, 2-420 litres. 



Temperature of -water, . . . 21-8° C. 



Total vol. of gas evolved, 

 Gas used, .... 

 After absorption of CO2, 

 After admission of IF. . 

 .Yfter explosion, . . . 









3 = 2 







Volume. 



Tempera- 

 ture 



Pressure 



)fMc 

 that 

 n m. 







in 0° C. 













^H 



^°S 









.i^i 



y^-5 







' 



■■J ■" 



u ^ 

 240-810 



302-80 



19-9 



756-0 



302-8 



256-43 



19-9 



756-0 



■302-8 



137-800 



163-10 



19-9 



756-0 



392-4 



057-802 



318-21 



19-7 



756'0 



210-0 



194-850 



234-00 



19-2 



750-3 



308-8 



122-238 



Percentage Volume Composition. 



Carbonic acid 57-8334 



Oxygen, 17-6567 



Mtrogen, 24-5097 



Total. . . . 90-9998 



