248 
CAPTAIN NOBLE AND MR. F. A. ABEL ON FIRED GUNPOWDER. 
Experiment 12.—411’085 grms. pebble, density ='4. 
Calculated solid 
Calculated gaseous 
products. 
products. 
grms. 
grms. 
From analysis of solids . 
. . 237*717 
173-368 
,, ,, g<rs • 
. . 230-767 
180-318 
„ ,, mean 
234"242 
176-843 
Elements in — 
K. 
C. 
S. 
H. 
O. 
N. 
Remarks. 
Gaseous state .... 
38-314 
2-712 
•466 
90-344 
45-007 
Solid state. 
116083 
11-342 
39-047 
•013 
64703 
■262 
Total found .... 
116-383 
49-656 
41-759 
•479 
155-047 
45-269 
Originally in powder 
118-639 
49-824 
41-396 
2138 
154-058 
45-235 
Difference. 
-1-656 
-0-168 
+ '3t>3 
-1-659 
+ -989 
+ •034 
Oxygen in hyposulphite, 8'311 grms. 
Experiment 14.—513'856 grms. pebble, density =*5. 
From analysis of solids 
» - g as • 
., ,, mean 
Calculated solid 
products. 
grms. 
278-232 
288-739 
283-485 
Calculated gaseous 
products. 
grms. 
235-624 
225-1 17 
230-370 
Elements in — 
K. 
C. 
s. 
H. 
0 . 
N. 
Remarks. 
Gaseous state .... 
49-715 
4-073 
"676 
117-361 
58-520 
Solid state. 
151T25 
13-957 
45-428 
•018 
72-595 
■361 
Total found .... 
151T25 
63-672 
49-501 
•694 
189-956 
58-881 
Originally in powder 
148-299 
62-279 
51-745 
2-672 
192-505 
56-244 
Difference. 
+ 2 826 
+ 1-393 
-2-244 
-1-978 
-2-549 
+ 2-637 
Oxygen in hyposulphite, 4• 37 2 grms. 
