2 66 Count Rumford’s Experiments to determine 
Table I. Experiments on the Force of fired Gunpowder. 
No. of the Experiment. | 
Time when the Ex- 
periment was made. 
1793 - 
State of the 
Atmosphere. 
The 
charge of 
Powder. 
Weight employed 
to confine the 
elastic Fluid. 
Thcrmom. 
Barometer. 
InApoth.gr. | 
S. S.J 
O J* u 
8 ja 
In lbs. 
avoirdu- 
pois. 
In 
atmos- 
pheres. 
N» 
h. m. 
F. 
Eng. In. 
g rs 
Parts. 
lbs. 
33 
28th Feb. 3 45 
48° 
28.35 
5 
x 95 
413-27 
561.2 
34 
istMar.9 0 
34 ° 
28.35 
7 
273 
535-79 
35 
9 x 5 
— 
— 
— 
— 
548.14 
3 6 
9 30 
— 
— 
— 
— 
560.52 
37 
3 0 
59 ° 
28.34 
— 
— 
572.9 
38 
3 x 5 
— 
— 
— 
— 
585.28 
39 
3 3 ° 
— 
— 
— 
— 
597.66 
8H.7 
40 
3 45 
— 
— 
8 
3 I2 
690.52 
4 i 
4 0 
— 
— 
— 
— 
752.42 
42 
4 15 
— 
— 
— 
— 
7 8 3-37 
43 
2d 9 0 
5 °° 
28.32 
— 
— 
876.22 
44 
9 x 5 
— 
— 
— 
— 
845.19 
45 
9 30 
— 
— 
— 
— 
857.64 
1 164.8 
4.6 
9 45 
— 
— 
9 
35 x 
961.65 
47 
10 0 
— 
— 
— 
— 
1209.4 
48 
10 30 
— 
— 
— 
— 
1142.3 
x 55 x -3 
49 
3 0 
52 ° 
28-33 
10 
39 ° 
1456.8 
5 ° 
3 3 ° 
— 
— 
— 
— 
1329.9 
5 1 
5th 9 0 
32 0 
28.2 
— 
— 
x 3 8 7-5 
1884.3 
52 
9 x 5 
— 
— 
11 
429 
1708.2 
53 
9 45 
— 
— 
— 
1646.2 
54 
10 15 
— 
— 

— 
1615.2 
55 
io _45 
— 
— 
— 
— 
1634 
2219 
5 6 
6th 9 0 
36 ° 
28.34 
12 
468 
x 943-3 
57 
9 3 ° 
— 
— 
— 
— 
1932.2 
58 
10 30 
— 
— 
— 
— 
1907.4 
59 
11 0 
— 
— 
— 
— 
1878.4 
60 
11 30 
— 
— 
— 
— 
1895.1 
2573-7 
61 
3 0 
42 ° 
28.3 
x 3 
507 
2142.7 
62 
3 x 5 
— 
2204.6 
General Remarks. 
Weight but just moved. 
Raised with a loud report. 
Ditto, ditto. 
Ditto, ditto. 
Ditto, ditto. 
Ditto, report weaker. 
/ Weight but just moved, 
\ no report. 
Raised, report very loud. 
Ditto, ditto. 
Ditto, ditto. 
Not raised. 
But just raised, report weak. 
/ Weight but just moved, 
\ and no report. 
Raised with a loud report. 
Not raised. 
/ Weight just moved, na 
\ report. 
Not raised. 
Raised, loud report. 
/ Weight but just moved, 
\ and no report. 
Not raised. 
Not raised. 
Raised, with a weak report. 
/Weight but just moved, 
/ and no report. 
Not raised. 
Not raised. 
Weight not raised. . 
Raised with a loud report. 
/Weight but just moved, 
\ and no report. 
Raised with a loud report. 
Ditto, ditto. 
