PROFESSOR H. B. DIXOJ^ OX THE RATE OF EXPLOSION IN GASES. 179 
(2.) Hydrogen and Oxygen under Varying Pressure. 
1. At 10° C. 
1 200 mm. 
300 mm. 
500 mm. 
1100 mm. 
1500 mm. 
1 
2636 
2716 
2784 
2869 
2869 
2619 
2693 
2764 
2850 
2871 
i 2626 
2680 
2777 
2864 
2873 
2713 
2844 
2883 
2723 
2852 
2861 
2845 
2873 
2627 
2705 
2775 
2856 
2872 
2. At 100° C. 
390 mm. 
500 mm. 
760 mm. 
1000 mm. 
1450 mm. 
2704 
2730 
2784 
2833 
2831 
2689 
2746 
2793 
2825 
2837 
2799 
2824 
2849 
2796 
2832 
2849 
2789 
2800 
2782 
2774 
2697 
2738 
2790 
2828 
2842 
(3.) Hydrogeji and Oxygen in Different Proportions, under Ordinary Temperature 
and Pressure. 
la 13 mm. tube. 
In 9 mm. tube. 
In 13 mm. tube. 
H 3 + O. 
H, + 0. 
H, + 0. 
H 3 + O 0 . 
H 3 + O,. 
Ilo+O,. 
3547 
3517 
3265 
2315 
1945 
1703 
3518 
3526 
3281 
2331 
1905 
1728 
3537 
3538 
3261 
2344 
1943 
1708 
3526 
3527 
3266 
2322 
1914 
1691 
3532 
3527 
3268 
2328 
1927 
1707 
2 A 2 
