180 PROFESSOR H. B. DIXON" OX THE RATE OF EXPLOSIOX IX OASES. 
(4.) Hydrogen and Oxygen in Different Proportions under 1500 mm. 
Hg+O 
Ho + Og 
3534 
1723 
3542 
1713 
3538 
1718 
(5.) Hydrogen and Oxygen Diluted with Nitrogen. 
At 760 mm. and 10 
0 
In 9 mm. tube. 
In 13 mm. tube. 
Ho + O+X 
H 0 + O+N 3 
H 0 + O + X 5 
2429 
2065 
1822 
2408 
2045 
1805 
2443 
2065 
1809 
2425 
2063 
1824 
2035 
2426 
2055 
1815 
Under 1500 mm. and 10°. 
H2 + O + X5 
1821 
1838 
1830 
