THE ROYAL ARTILLERY INSTITUTION. 
353 
de 4 do 
Campagne. 
do 4 do 
Montagne. 
de 12. 
Guns . 
.... 6 
6 
6 
Gun carriages . 
.... 8 
9 
8 
Ammunition wagons. 
.... 12 
36 boxes 
18 
Small arm do . 
.... 6 
18 
0 
Store wagons... 
.... 2 
0 
2 
Field forges . 
.... 2 
1 
2 
Spare wheels.. 
.... 8 
0 
8 
Sets of shafts ( limonieres ) . 
.... o 
12 
0 
Pack saddles, gun and carriage.. 
.... 0 
24 
0 
„ ammunition and store. 0 
33 
0 
The personnel on the footing of active service is 
as follows :— 
Mounted men ... 
de 4 de 
Campagne. 
.... 118 
de 12. 
144 
Dismounted men . 
.... 80 
90 
Riding horses . 
. 24 
24 
Draught horses . 
.... 140 
180 
Canon de 4 raye de Montague . 
17. The gun for mountain service is identical in calibre and mode of 
rifling with the gun for general field service, the only difference being in 
length, weight, and external dimensions. 
Calibre... 
3*406 in. 
Length of bore. 
...805* „ 
31*7 „ 
Length of grooving . 
...715* „ 
28*1 „ 
Total length over all. 
...960" „ 
37*8 M 
Diameter of base ring . 
...173* „ 
6*8 „ 
Diameter of muzzle . 
...150" „ 
5*9 „ 
Length of trunnions. 
... 60" „ 
2*4 „ 
Width between their shoulders... 
...175" „ 
7-0 „ 
Total weight. 
...100- kil. 
220*6 lbs. 
Breech preponderance. 
Grooves &c., see Table VI. 
... 15" „ 
33-1 „ 
Charge. 
... 0-30 
10*6 oz. 
There is a slight peculiarity in the bushing of the mountain gun, the 
upper screwed portion of the bush being of iron, whereas it is of copper in 
the field gun: both are represented below. 
Field service canon de 4. 
Mountain service canon de 4, 
Position of vent, and form of bush, 
