142 
MINUTES OF PROCEEDINGS OF 
March 14, 1861.—Barometer (32°), 30*340. Therm, (dry,) 50° *3 ; wet, 46° *4. Elastic force of vapour, 
•261. Humidity, ' 72. Weight of cubic foot of air, 550' 6 grs. To compare the initial velocities of a 
projectile fired from a rifled, and of one of the same weight and form fired from a smooth-bored gun. 
No. of Rounds. 
Nature of Ord¬ 
nance. 
Charge. 
Projectile. 
Re¬ 
coil. 
Reading of 
Needle. 
Velocity. 
Range. 
Remakes. 
Nature. 
Dia¬ 
meter. 
Weight. 
Dis- 
junctor. 
Pro¬ 
jectile. 
At 
30 yds. 
Initial. 
an 
H-f 6 
7 
r 8 
9 
. 10 
H J ii 
H) 12 
^ 13 
14 
U5 
32-pr. gun, No. 32-pr. rifled shunt 
6,966. Weight, sun, No. 6 , 341 . 
58 cwt. 3 qrs. 
Calibre, 6*37. 3 q ' Callbre * 
lbs. oz. 
5 8 
Plugged shells for 32-pr. shunt 
gun. The first 4 were rib¬ 
bed ; the others round. 
1 II 1 1 I 1 II 1 1 1 1 1 1 
lbs. oz. 
54 0 
8 1 
7 10 
8 0 
7 4 
! 3 4 
3 1 
3 4 
3 0 
2 10 
2 11 
3 5 
3 4 
3 5 
34*50 
34-55 
39-05 
39-40 
34*70 
32-39 
30*70 
31-50 
31-55 
31-60 
31-75 
31- 85 
32*00 
32- 10 
32-00 
80-90 
85-60 
101-75 
85-15 
99-25 
96-05 
96-10 
93*75 
94- 60 
94*60 
95- 25 
93-55 
ft. 
1207'8* 
1222-1* 
1217-1 
1110*7* 
1117-3 
1138-3 
1156*4 
1199-6 
1183-7 
1192-3 
1180-2 
1212*3 
ft. 
1 1224*5 f 
f Mean < 
J 1215-7 
) 1135-3 C 
-Mean < 
) 1122-1 ( 
1 r 
[ 1201-7 
fMeau 4 
j 1187-4 
J l 
yds. 
186-9 
190-0 
249-0 
266-6 
203-0 
248'6 
357-6 
288-5 
283-6 
338-6 
235-0 
* Screens placed 30 
yards apart. 
Height of axis of 
gun, 4 ft. Powder, 
A4W. A. 22/2/61. 
Lot 2S8. 
March 15, 1861.—Barometer (32°), 30*245. Therm, dry, 53 o, 0 ; wet, 48°*0. Elastic force of vapour, 
•269. Humidity, '67. Weight of cubic foot of air, 545*9 grs. To compare the initial velocities of 
projectiles fired from a S2-pr. rifled shunt gun with charges made up in cartridges of various lengths. 
lbs. oz. 
lbs. oz. 
0 
0 
ft. 
ft. 
yds. 
M ( 
" 1 
5 8* 
— 
54 0 
2 
3^ 
32-00 
100-60 
1088*3 
1 1061-7 f 
1-Mean *{ 
J 1054-6 L 
296'0 
* Cartridge made 
l-l ' 
) 2 
3 
«D 
» „* 
— 
» ,, 
2 
ii 
30-70 
102-80 
1032*4 
277-0 
up 12 ins. long. 
LS 
99 99* 
— 
» ;; 
2 
2 
si 
3 
30*75 
30-75 
102-15 
1042*0 
312-3 
254-6 
f Do. 9 do. 
t Do. 8 do. 
H 1 
H" 
Hi < 
[• 
i§ 
' 1 
” ”+ 
„ 99+ 
„ 99+ 
1 
” ” 
2 
2 
2 
6 
7 
6 
30*85 
30-85 
30-90 
100-50 
99-95 
99-20 
1067-1 
1075-7 
1087*6 
1 1081-2 f 
)*Mean 
j 1076-8 [ 
276-3 
325*2 
296-0 
§ Do. 71 do. 
|| Do. 6 do. 
Height of axis of 
gun, 4 ft. 
>') 
» 
Powder A 4, W. A. 
H 
> 8 
„ „t 
— 
» ,, 
3 
0 
30-70 
98-30 
1102-2 
1109-8 
331-3 
22/2/61. Lot 288. 
1-3 J 
1 
6D 
l 
&C 
H( 
> 9 
„ „§ 
ft 
- 
„ » 
3 
0 
30*85 
97-55 
1114-5 
1122-3 
329-0 
1 
1 10 
p, 
„ 4 
— 
» „ 
3 
6 
30-80 
93-40 
1187-4 
) 1196*4 ( 
311-6 
>: 
fMean 4 
3J 
„ „ii 
3 
6 
30*75 
93'35 
1188*3 
) 1187-9 ( 
305*5 
flame date and circumstances as above. Experiments to ascertain the initial velocity of a 12-pr. Armstrong 
shell fired from a 12-pr. of 6 cwt. 
lbs. oz. 
lbs. oz. 
0 
0 • 
ft. 
ft. 
yds. 
r 1 
_ 
1 6 
— 
3*074 
11 9 
6 
7 
30-95 
— 
— 
313-0 
Gun laid p. b. 
2 
_ 
— 
’ ’ 
7 
0 
30*85 
97*60 
1113*71 
293-0 
H. L. of axis 4 ft. 
3 
_ 
— 
6 
3 
30*75 
— * 
— 
mi 
330-0 
Powder A 4, Hall 
M 
4 
— 
>» » 
— 
» » 
6 
6 
30-70 
— 
— 
366-6 
and Sons, 11/7/60. 
5 
_ 
— 
S3 
» !) 
6 
9 
30*70 
— 
— 
335-6 
Lot 2. 
6 
_ 
— 
33 
9 99 
7 
0 
30-75 
97*89 
1109-6 
llUo 4 
359-3 
-* False connexion. 
7 
_ 
— 
99 99 
7 
9 
30-85 
98-85 
1093-2 
329*6 
l 8 
~ 
” ” 
“ 
” 
„ ,9 
7 
8 
30-95 
9S-60 
1097*3 
J 
299*1 
