* 5 $ 
upon Gun-powder , See . 
The following experiments were made with the pendulum 
N° 4^ The reft of the apparatus as before. 
1 
£ 
<D 
Oh 
X 
- vl) 
C /5 
<L> ^ 
The 
charge of 
powder. 
l 
O 3 
£° 
! 1 
■a a 
a <u 
n> C-, 
d '-j 
O w 
k the tar- 
the axis 
ldultim. 

U-« 
O 
a 
hr • 
C 3 - — « 
a> 0 
0 
_d 
-C c 
t-J Q J 
-a-, g 
o 
1 — 
D 
*o 
rH 
J 
Weight. 
Height. 
-*« r- 
a ~ 
0 ^ 
■2: 0 
a E 
IL>, O 
> ~ 
Chord of th 
ing arc of 
dulum. 
CJ p> w 
<D 
=£ « a, 
22 _c 
<D 
t— t 4 -> 
(S 
Tj 
X— • 
'o 
HD -*-» 
1-4 
O 
43 
u 
>s-— • 
* (j JO 
0 
"3 
> 
Remarks. 
In. 
In. 
In. 
inches. 
Inches. 
Inches. 
Ft. in 
fee. 
9th day. 
N° 
103 
104 
,9 
0 
4 , 5 1 
65, 
10,6 
732 
C About 40 grains of powder were | 
1 driven through the fereen. : 
104 
J 45 
r ,3 
5,4 
• • • 
12,92 
877 
r About 40 unfired grs. of powder. 
< Medium velocity 894. 1 
I0 5 
• • 
• 4 
5,6 
• © <& 
13,28 
910 
( 40 unfired grains. 
106 
• » 
1,14 
6, 1 8 
65,8 
14,3 
990 
J" Double proof battle pow- 
i der ; no unfired grains. 
,107 
218 
1,8 
8,48 
65, 
19,68 
1380 
Ditto, ditto. 
108 
290 
2,6 
9,45 
8,7 3 
65,6 
65,2 
23,9 
22,8 
1526 
1419 
C Government powder ; bullet lea- 
2, thered ; weight 602 grains. 
, / Bullet naked ; very few 
1 \ unfired grains. 
109 
• ® 
1 10 
1 1 1 
• • 
9,3 
65,6 
2 3?4 
1460 
1462 
r Medium velocity 1444. 
x 12 
• • 
8,85 
65,5 
22,94 
1436 
Ix 3 
• <0 
2)6 
8,65 
64, 
23,7 
1438 
3 
114 
• 4’ 
8,5 
6 3, 6 
24,1 
x 423 
r Medium velocity 1413- 
Ix 5 
• 9 
8,4 
65, 
23,8 
x 378 
J 
116 
• • 
2,28 
9, r 5 
64, 
24,6 
1 5 2 5 
Double proof battle powder. 
xx 7 
4371 
3>9 
10,56 
64,9 
33, 
1 73^ 
Gov. pow. 
C No unfired grains 
\ thro’ the fereen. 
1 18 
• • 
11, 
64,5 
33,3 
1824 
Medium velo- 
1 19 
• . 
io,5 
6 5> 
33, 6 
1729 
J 
city 1764. 
120 
• • 
2,6 
IO ,35 
3 2 ,5 
1706 
3 
121 
• a 
• • 
10,65 
• • • 
33,2 
1757 
r Medium velocity 1751. 
122 
9 • 
♦ • 
10,6 
63,6 
32,9 
1789 
123 
• • 
0 
1 7,9 
— 
Without any bullet. 
2 M i 
Of 
