SIR ANDREW NOBLE: RESEARCHES ON EXPLOSIVES. 
473 
Experiment 1538.—Fired in explosion vessel Q, 77-5 grammes of Norwegian 167. Density of 
charge 0 • 25. 
Pressure 19-43 tons per sq. inch (2961'5 atmospheres). 
Permanent gases 58,686-9 cub. centims. at 0° C. and 760 millims. 
Aqueous vapour 10,890-0 cub. centims. 
Reconciliation. 
C. 
O. 
H. 
N. 
Found by analysis .... 
Originally in ballistite . . . 
grammes 
20- 587 
21- 050 
grammes 
44•534 
44-466 
grammes 
2-403 
2-444 
grammes 
11-074 
10-880 
Differences .... 
- 0-463 
+ 0-068 
-0-041 
+ 0-194 
Experiment 1537.—Fired in explosion vessel R, 90 grammes of Norwegian 167. Density of 
charge 0•30. 
Pressure 25'62 tons per sq. inch (3905-0 atmospheres). 
Permanent gases 66,328-5 cub. centims at 0° C. and 760 millims. 
Aqueous vapour 12,634-0 cub. centims. 
Reconciliation. 
C. 
O. 
H. 
N. 
Found by analysis .... 
Originally in ballistite . . . 
grammes 
24-045 
24-499 
grammes 
52-133 
51-750 
grammes 
2-816 
2-844 
grammes 
12-730 
12-662 
Differences .... 
- 0-454 
+ 0-383 
-0-028 
+ 0-068 
Experiment 1599.—Fired in explosion vessel R, 120 grammes of Norwegian 167. Density of 
charge 0 • 40. 
Pressure 40-66 tons per sq. inch (6197-4 atmospheres). 
Permanent gases 82,640-9 cub. centims. at 0° C. and 760 millims. 
Aqueous vapour 15,793-8 cub. centims. 
Reconciliation. 
C. 
O. 
H. 
N. 
Found by analysis .... 
Originally in ballistite , , 
grammes 
31- 590 
32- 072 
grammes 
68-493 
67-748 
grammes 
3-710 
3-724 
grammes 
16-328 
16-577 
Differences .... 
- 0-482 
+ 0-745 
-0-014 
- 0-249 
3 p 
VOL. CCVI.—A. 
