SIR ANDREW NOBLE: RESEARCHES ON EXPLOSIVES. 
467 
Experiment 1523.—Fired in explosion vessel R, 45 grammes of Italian ballistite. Density of charge 0-15, 
Pressure 11-67 tons per sq. inch (1778-7 atmospheres). 
Permanent gases 27,251-0 cub. centims. at 0 ° C. and 760 millims. 
Aqueous vapour 9421-0 cub. centims, 
Reconciliation, 
C. 
O. 
H. 
N, 
Found by analysis , . . . 
Originally in ballistite . . . 
grammes 
9-607 
9-840 
grammes 
27-126 
27-393 
• 
grammes 
1-182 
1-206 
grammes 
7-265 
6-741 
Differences .... 
-0-233 
- 0-267 
-0-024 
+ 0-524 
Experiment 1525.—Fired in explosion vessel R, 60 grammes of Italian ballistite. Density of charge 0-20. 
Pressure 15-45 tons per sq. inch (2354 -9 atmospheres). 
Permanent gases 36,559-0 cub. centims. at 0 ° C. and 760 millims. 
Aqueous vapour 12,654-0 cub. centims. 
Reconciliation. 
C. 
O. 
H. 
N. 
Found by analysis .... 
Originally in ballistite . . , 
grammes 
12-847 
13*220 
grammes 
36-643 
36-802 
grammes 
1-609 
1-621 
grammes 
9-607 
9-057 
Differences .... 
- 0-373 
- 0-159 
- 0-012 
+ 0*550 
Experiment 1526.—Fired in explosion vessel R, 75 grammes of Italian ballistite. Density of charge 0 • 25. 
Pressure 20-65 tons per sq. inch (3147-4 atmospheres). 
Permanent gases 46,276-5 cub. centims. at 0 ° C. and 760 millims. 
Aqueous vapour 15,102-0 cub. centims. 
Reconciliation. 
C. 
O. 
H. 
N. 
Found by analysis .... 
grammes 
grammes 
grammes 
grammes 
16-270 
45-666 
1-971 
12-016 
Originally in ballistite . . . 
16-535 
46-030 
2-027 
11-327 
Differences .... 
- 0-265 
- 0-364 
-0-056 
+ 0-6S9 
3 o 2 
