ELASTIC FORCES OF AQUEOUS VAPOUR. 579 
Table II. continued. 
Series B. continued. 
Temperatures. ions, 
P Mean of Tensions de 
tempera- erence. 
Thermom. | Thermom. 
No. 8. No. 7. tures. | Observed. iia 
° ° ° mm mm mm 
24°65 | 24°69 24°67 23°10 | 23°092 torr 
28°33 28°37 | 28°85 29°50 | 29°524 oon 
33°81 33°84 33°82 39°11 | 39°170 906 
18°34 18°36 18°35 15°84. | 15°707 | 0°06 
VOL. IV. PART XVI. 29 
