454 
MINUTES OF PROCEEDINGS OF 
Gun. The gun is of Eirtlfls steel. 
Average weight.. 
Preponderance . 
Length of bore .. 
Total length . 
Calibre . 
1 cwt. 1 qr. 6 lbs. 
5 lbs. 
24 inches. 
29 „ 
3 a 
The rifling is on the Erench system, three angular grooves, uniform twist 
of one in 20 calibres. Grooves *6" wide, -06" deep. 
The breech sight is a rectangular steel bar fixed to the right side of the 
breech, inclined at 3° to allow of the shot throwing to the right. 
Muzzle sight is a hog-backed leaf sight fixed on right side of muzzle. 
The following table shews elevation and times of flight corresponding to 
certain ranges:— 
Range. 
Elevation. 
Time of 
flight. 
Range. 
Elevation. 
Time of 
flight. 
yds. 
o 
// 
sec. 
yds. 
O 
ff 
sec. 
100 
0 
26 
0*4 
1100 
6 
41 
6*4 
200 
0 
60 
0*9 
1200 
7 
30 
6*0 
300 
1 
19 
1*3 
1300 
8 
21 
6*6 
400 
1 
64 
1*8 
1400 
9 
15 
7*2 
600 
2 
29 
2*3 
1500 
10 
14 
7*9 
600 
3 
5 
2*8 
1600 
11 
15 
8*6 
700 
3 
44 
3*3 
1700 
12 
21 
9-3 
800 
4 
25 
3*8 
1800 
13 
30 
10-0 
900 
5 
9 
4*3 
1900 
14 
44 
10-7 
1000 
6 
54 
4*9 
2000 
16 
0 
11*4 
Obtained with a charge of 6oz. F. G. powder and common shell filled. 
Carriage. Steel brackets, iron axletree, teak bed. 
Length off wheels, 4 ft. f in. 
Length on wheels, 4 ft. 10 in. 
Angle of trail with ground, 21|°. 
Height to centre of gun, 1 ft. 10£ in. 
Wheels . Nave, mahogany felloes, spokes pedook. 
Diameter . 2 ft. 6 in. 
Track .. 2 n 2 u 
"Weight of carriage and wheels 192 lbs. 12 oz. 
The carriages are designed for horizontal or vertical fire. In the former 
case the tangent scale gives up to 10 ® elevation* The maximum depression 
possible is 20°. 
The recoil with the wheels free to move on grass is about 22 feet, and with 
the wheels attached to the trail eye by trail ropes and toggles, 10 feet. 
The wheels may be removed and the gun fired on its carriage on the 
ground with elevation up to 14°* 
