the Force of fired Gunpowder. 
Table I. Experiments on the Force of fired Gunpowder. 
2 65 
c 
State of the 
The 
Weight employed 
£ 
Atmosphere. 
charge of 
to confine the 
Powder. 
elastic Fluid. 
w 
Time when the Ex- 
periment was made. 
1 793 - 
S 
0 
£ 
1 
W) 
cl SJj 
0 ft V 
In lbs. 
avoirdu- 
In 
atmos- 
General Remarks. 
O 
O 
< 
pois. 
pheres. 
a 
H 
M 
•h O ^ 
No 
h. 
m. 
F. 
Engl. In. 
grs 
Parts. 
, lbs. 
f The generated elastic fluid 
I 
23d Feb. 9 
0 
3 i° 
28.58 
I 
39 
504.8 
< was completely confined. 
2 
25th 
9 
3 ° 
— 
— 
2 
78 
— 
L the weight not being raised 
3 
9 
0 
37 ° 
28.56 
3 
II 7 
— 
Ditto. 
4 
10 
15 
— 
— 
4 
156 
— 
Ditto, weight not raised. 
7 
10 
3 ° 
— 
— 
5 
195 
— 
685.6 
Ditto, ditto. 
6 
11 
0 
— 
— 
6 
234 
— 
Weight just moved. 
7 
8 
3 
3 
O PM 
IC 
57 ° 
28.37 
1 
39 
14.16 
26.5 
C In these three experiments 
I the weight was raised with 
9 
3 
3 ° 
— 
— 
— 
— 
38.9 
j a report as loud as that of 
a pistol. 
10 
3 
45 
— 
— 
— 
— 
51-3 
77.86 
/ But just raised, report much 
\ weaker. 
11 
26th 
4 
0 
— 
— 
— 
— 
57-4 
Weight hardly moved. 
12 
9 
0 
34 ° 
28.1 
2 
78 
* 6 3-5 
Not raised. 
13 
9 
15 
— 
— 
— 
124 
Raised with a loud report. 
14 
9 
3 ° 
— 
— 
— 
— 
1 3°*5 
Ditto, the report weaker. 
15 
9 
45 
— 
* — 
— 
— 
133 
182.3 
Ditto, the report still weaker. 
16 
10 
0 
— 
— 
— 
— 
134.2 
Weight but just moved. 
17 
3 
0 
48 ° 
28.3I 
3 
117 
I 86-3 
Raised with a loud report. 
18 
3 
15 
— 
— 
— 
198.7 
Ditto, ditto. 
19 
3 
3 ° 
— 
— 
— 
— 
204.8 
Ditto, report weaker. 
20 
3 
45 
— 
— 
— 
— 
208.5 
Raised, report weaker. 
21 
4 
0 


_ 

212.24 
288.2 
f The weight hardly moved, 
22 
27th 
3 
0 
50 ° 
28.36 
4 
156 
269.2 
\ no report. 
Raised with a loud report. 
23 
3 
15 
— 
— 
— 
— 
274.13 
Ditto, ditto. 
24 
3 
3 ° 
— 
— 
— 
1 — 
277.9 
Ditto, report less loud. 
25 
3 
45 
— 


. — 
281.57 
382.4 
/ Weight hardly moved, and 
26 
28th 
9 
0 
34 ° 
28.32 
5 
195 
3 i 9-68 
\ no report. 
Raised, loud report. 
27 
9 
!5 
— 
— 
— 
— 
351-37 
Ditto, ditto. 
28 
9 
3 ° 
— 
— 
— 
— 
400.9 
Ditto, ditto. 
29 
10 
0 
— 
— 
— 
— 
475.2 
Not raised. 
30 
3 
0 
48° 
28.35 
— 
— 
443*5 
Not raised. 
3 1 
3 
15 
— 
— 
— 
— ■ 
425.65 
Not raised. 
32 
3 
3 ° 
““ 
1 
419.46 
Not raised. 
