Fig. 7.
The Common Shell ([Fig. 6]) is of the cylindro-ogival pattern with a brass band, and is fitted with a base percussion-fuze. It contains a bursting-charge of about 1¾ oz. (950 grammes) of musket-powder.
The Canister ([Fig. 7]) consists of a thin envelope of drawn brass, containing thirty hardened 1-oz. lead balls packed in sulphur. On the body is an annular stop to prevent inserting too far into the cartridge-case. The cartridge-case can be recharged on an average about eight times.
The Carriage.
| Weight complete | 241 pounds |
| Height of axis of trunnions above ground | 27.55 inches |
| Diameter of the wheel | 37.4 inches |
| Track of wheel | 2.46 feet |
Fig. 8.
Nomenclature (see [Fig. 8]).—(a) trail; (b) axle; (c) wheel; (d) cap-squares; (e) breast-transom; (f) elevating-screw; (g) lunette; (h) hook.