Count Rumford’s Experiments to determine 
2,76 
Table III. Experiments on the Force of fired Gunpowder 
c 
State of the 
The Charge of 
Weight employ- 
J 
Atmosphere. 
Powder. 
ed to confine the 
elastic Fluid. 
W 
0 
Time when the Ex- 
periment was made. 
1793- 
E 
0 
g 
1 
O 
*5 
O 
a. 
< 
1000 parts 
the capaci- 
of the bore. 
In lbs. 
avoir- 
dupois 
In atmo- 
spheres. 
General Remarks. 
J 5 
H 
M 
c 
S' 
N° 
86 
I St 
h. 
July 4 
m. 
O 
88° 
Eng. In. 
28.37 
g rs 
*7 
Parts. 
663 
lbs. 
8o8l 
9431 
/ The weight was raised with 
\ an astonishing loud report. 
87 
4 
3 ° 
— 
— 
— 
— 
— 
fin these three experiments 
88 
4 
45 
— 
— 
16 
624 
— 
< the weight was raised with 
89 
5 
0 
— 
— 
15 
585 
— 
f a very loud report.. 
90 
5 
3 ° 
— 
— 
12 
468 
— 
Weight not raised. 
x 3 
507 
9431 
J Weight but just raised, re- 
\ port very weak. 
6 
0 
— 
92 
2d 
9 
0 
7 i° 
28.38 
— 
— 
— 
Raised, loud report. 
93 
9 
30 
— 
12 
468 
— 
Raised, feeble report. 
94 
10 
0 
— 
— 
— 
— 
— 
9431 
Raised, report very feeble. 
95 
10 
3 ° 
OO 
°o 
— 
— 
— 
Just moved , no report. 
96 
3 d 
10 
0 
70° 
28.55 
12 
468 
— 
Not raised. 
97 
10 
3 ° 
*3 
507 
— 
Not raised. 
98 
ii 
0 
75 ° 
— 
14 
546 
— 
9431 
Just raised, feeble report. 
99 
4th 
9 
0 
70° 
28.56 
14 
546 
— 
Not raised. 
100 
9 
3 ° 
— 
— 
— 
— 
Not raised. 
585 
f The weight was raised, the 
IO! 
10 
0 
72 ° 
— 
15 
_ 
\ report not very loud. 
102 
8th 
10 
3 ° 
— 
28.42 
« 5 * 
— 
— 
Nearly as above. 
/Raised, and with an un- 
103 
9 
0 
74 ° 
— 
/ commonly loud report. 
104 
9 
3 o 
— 
— 
l 3 
507 
— 
Raised, report very loud. 
*°5 
10 
45 
85 ° 
— 
12 
468 
— 
9431 
/ But just raised, the report 
\ very feeble. 
106 
17th 
9 
0 
75 ° 
28.4 
— 
— 
_ 
Nearly as above. 
107 
9 
45 
— 
— 
— 
Not raised. 
108 
10 
3 ° 
— 
— 
nj 
— 

Just moved , no report. 
109 
1 1 
o 
— 
— 
— 
— 
The same as above. 
