96 
Mil P. V. BP]VAN ON THE COMBINATION OF HYDROOEN 
Curve 
5 ? 
Fig. 10. Abscissae, time after illumination in minutes. 
Ordinates, HCl formed. 
I, iriduction in fresh gas. 
II ,, ,, gas which had been darkened for 1 hour. 
ni „ ,, „ ,, „ „ 1,5 minutes. 
IV 5 
^ " I' M ,, ,, ,, 0'5 ,, 
Fig. 11. Aliscissa’, time after illumination in minutes. 
Oidinate.s, IICl formed. 
Curve 1, fresh gas. Curve II, li hours dark. Curve III, 12 minutes dark. 
Curve IV, 5 minutes dark. Curve V, 1 minute dark. 
