346 
MINUTES OF PROCEEDINGS OF 
Table III. 
PRINCIPAL DETAILS OF THE SHRAPNEL (Obus a balles). 
Diameter of shell (high gauge). 
do (low gauge) . 
Length of cylindrical part . 
Total length . 
Thickness of metal in the middle of the shell. 
Thickness of the bottom. 
Number of leaden pistol balls (jpistolet tie gen¬ 
darmerie), diameter 14*7 or *578 in. 
Weight of bursting charge. 
do melted sulphur . 
do sand . 
Weight of loaded shell. 
84*3 mm. 
3‘319 in. 
83-7 „ 
3‘299 „ 
79-0 „ 
3-110 „ 
160-0 „ 
6-300 „ 
10-6 „ 
0*417 „ 
12-75 „ 
0-502 „ 
60 
0-07 kil. 
0-13 lbs. 
0-06 „ 
0-11 „ 
0-045 „ 
0-10 /, 
4-15 // 
9-15 „ 
The fuze hole is of the same diameter as that of the common shells. The 
studs on the shell are similar in all respects. The bullets are fixed with 
melted sulphur. 
Table IV. 
DIMENSIONS OF CASE SHOT (Boite a mitraille). 
Number of iron balls, No. 6 (diameter 1-02 in.) .. 
. 41 
Number of layers of balls . 
. 6 
Weight of sulphur per shell .. 
.. 0-60 
kil. 
1-32 
lbs. 
Exterior diameter of case | mfudmum ". 
.. 83-5 
. 84-0 
mm. 
a 
3-288 
3-307 
in. 
a 
Interior diameter ... 
79-5 
n 
3-130 
a 
Maximum height of case. 
,. 152-0 
n 
5-984 
n 
Mean weight . 
.. 5-92 
kil. 
13-05 
lbs. 
Diameter of bottom . 
84 
mm. 
3-307 
in. 
Thickness of bottom .. 
a 
0-197 
a 
This projectile is not provided with ailettes. The balls are fixed with 
melted sulphur. The case is made of zinc with top and bottom of the 
same material. 
WEIGHT OF CARRIAGES. 
kilos. cwt. qrs. lbs. 
Carriage for rifled gun of 4 kilos, fully packed . 1250 24 2 13 
Ammunition wagon for do. 1300 25 2 11 
4. "We have been thus particular with the Trench field gun because it is 
the model of several other countries. Tor example, Switzerland, Holland, 
'Wurtemburg, Spain, and Bussia, although some of these have introduced 
modifications of it, as we shall see hereafter. 
5. The Trench correct the constant derivation of the shot, or its tendency 
to deflect to the right, which is very considerable, owing to the quickness of 
the twist and the action of the ailettes on the air, by giving the tangent 
