CAPTAIN NOBLE AND MR. F. A. ABEL ON FIRED GUNPOWDER. 
25? 
Experiment 18.— 308'32 grms. F. G., density =’3. 
From analysis of solids 
)> >> . 
3> 3J 
mean 
Calculated solid 
products. 
grms. 
177-44 
181-80 
179-62 
Calculated gaseous 
products, 
grms. 
130-88 
126-52 
128-70 
Elements in— 
E. 
c. 
S. 
H. 
O. 
1 
N. 
Remarks. 
Gaseous state .... 
27-055 
2-579 
•419 
65-764 
32-883 
Solid state. 
89-076 
7-219 
26-863 
•002 
56-388 
•072 
Total found .... 
89-076 
34-274 
29-442 
•421 
122-152 
32-955 
Originally in powder 
89-994 
35-025 
31140 
2-004 
118-750 
33-088 
Difference. 
-•918 
-•751 
-1-698 
-1-583 
+ 3-402 
-133 
Oxygen in hyposulphite, 12-484 grms. 
Experiment 19. — 411-085 grms. F. G., density = *4. 
Calculated solid 
Calculated gaseous 
products. 
products. 
grms. 
grms. 
From analysis of solids . 
. . 237-880 
173-210 
„ „ gas . . 
. . 240-970 
170-116 
,, ,, mean . 
. . 239-430 
171-660 
Elements in— 
K. 
C. 
S. 
H. 
O. 
N.' 
Remarks. 
Gaseous state .... 
, , 
36-039 
3-086 
•519 
88-006 
44-015 
Solid state. 
118-118 
9-382 
37-849 
•008 
73-990 
•086 
1 
Total found .... 
118-118 
45-421 
40-935 
•527 
161-996 
44-101 
Originally in powder 
117-325 
46-700 
41-520 
2-672 
158-294 
45-030 
Difference. 
+ •793 
-1-279 
— "585 
-2145 
+ 3-702 
-•929 
Oxygen in hyposulphite, 17"262 grms. 
2 L 
MDCCCLXXX. 
