472 
SIR ANDREW NOBLE: RESEARCHES ON EXPLOSIVES 
Experiment 1580.—Fired in explosion vessel R, 30 grammes of Norwegian 167. Density of 
charge 0 - 10. 
Pressure 6'71 tons per sq. inch (1022'7 atmospheres). 
Permanent gases 24,036'6 cub. centims. at 0° C. and 760 millims. 
Aqueous vapour 427 4 • 4 cub. centims. 
Reconciliation. 
C. 
O. 
H. 
N 
grammes 
grammes 
grammes 
grammes 
Found by analysis .... 
8-047 
17-167 
0-900 
4-584 
Originally in ballistite . . . 
8-196 
17-313 
0-952 
4-236 
Differences .... 
-0-149 
- 0-146 
-0-052 
+ 0-348 
Experiment 1570.—Fired in explosion vessel Q, 46 ■ 5 grammes of Norwegian 167. Density of 
charge O' 15. 
Pressure 10'04 tons per sq. inch (1530'3 atmospheres). 
Permanent gases 37,070'7 cub. centims. at 0° C. and 760 millims. 
Aqueous vapour 6924 • 1 cub. centims. 
Reconciliation. 
C. 
O. 
H. 
N. 
Found by analysis .... 
Originally in ballistite . . 
grammes 
12-531 
12-821 
grammes 
26- 956 
27- 083 
grammes 
1-440 
1-489 
grammes 
7-092 
6-627 
Differences .... 
- 0-290 
- 0-127 
-0-049 
+ 0-465 
Experiment 1535.—Fired in explosion vessel Q, 62 grammes of Norwegian 167. Density of 
charge 0 • 20. 
Pressure 14'83 tons per sq. inch (2260'4 atmospheres). 
Permanent gases 48,402'3 cub. centims. at 0° C. and 760 millims. 
Aqueous vapour 8770'2 cub. centims. 
Reconciliation. 
* 
C. 
O. 
H. 
N. 
Found by analysis .... 
Originally in ballistite . . . 
grammes 
16- 671 
17- 000 
grammes 
35-897 
35-910 
grammes 
1-941 
1-974 
grammes 
9-138 
8-786 
Differences .... 
-0-329 
- 0-013 
-0-033 
+ 0-352 
