82 



Proceedings of tJic lloyal Irkh Acculemy. 





Volume. 



Not taken 

 315-136 

 283-370 

 364-980 

 227-120 



Tempera- 

 ture 

 in 0" C. 



Pressure 

 in m.m.s. 



Column of Mercury ] 



above that 

 in trough in m.m.s. 



o 

 oca 



r; ri o 

 U 



Total Tol. of gas evolved, . 



Gas used, 



After absorption of CO-, . 

 After admissiou of II, . . 

 After explosion, .... 



11-2 

 11-5 

 11-9 

 12-2 



749-9 

 750-5 

 756-5 

 756'5 



256-7 

 289-0 

 205-0 

 313-5 



192-505 

 161-490 

 251-300 

 124-550 



Percentage Volume Composition. 



Carbonic acid, . . 16-111 



Oxygen, 21-947 



jSTitrogen, . 61-941 



Total, 



99-999 



Iso. II. — lahn at Zeeson-street Bridge, lltli Aj^ril, 1877. 



Yolnmc used, ...... 2-420 litres. 



Temperature of ^vater, . . . 10° C. 





Volume, 



354-320 

 314-718 

 197-400 

 323-840 

 214-860 



Tempera- 

 ture 

 in 0° C. 



Pressure 

 in m.m.s. 



Column of Mer cury 



abovethat in 



trough in m.m.s. 



Corrected Volume 



at o^C. and 



760 m.m.s. prcs. 



Total vol. of gas evolved, . 



Gas used, 



After absorption of CO;^, . 

 After admission of II, . . 

 After explosion, .... 



12-3 

 12-3 

 10-2 

 10-3 

 10-4 



756-5 

 7o6-o 

 760-0 

 760-0 

 759-5 



241-8 

 241-8 

 361-2 

 244-7 

 345-0 



224-850 \ 



199-720 



097-524 



207-745 



110-318 



