ARTILLERY TACTICS.

NOMENCLATURE.

THE instruction of an artillerist commences with the Nomenclature of the different parts of Cannon, Gun-Carriages, Implements, and Caissons. 1st. Of the Gun.

2d. Of Field Gun-Carriages-Wood-Iron.

3d. Of the Limber of a Field Gun-Carriage, and the Ammunition-BoxWood-Iron.

4th. Implements for Field-Pieces.

5th. Caisson-Wood-Iron.

Of the different Parts of Field Guns. (Plate I.)

Of the Twenty-four-Pounder Howitzer. (Plate II.)

AB.-Button, including the Neck.
BC.-Fillet of the Breech.

CD.-Breech.

DE.-Breech-Plate Band.

F.-Vent.

f.-Vent-Field.

G.-Trunnions.

H.-Rimbases.

K.-Reinforce.

KL.-The Chase.

LM.-Concave Curve of the Muz

zle.

MN.-Plane of the Muzzle.
NO.-Convex Curve of the Muz-
zle.

OP.-Muzzle.

ST.-Chamber.

TU.-The Half-Round.

UV.-Diminished part of the Bore.
VW.-Cylindrical part of the Bore.

Of Field Gun-Carriages. (Plate III.)

Tron Work of Field Gun-Carriages. (Plate III.)

In the twelve-pounder carriage, there are two travelling TrunnionPlates, and two square Manoeuvring-Rings. These last are fixed on the upper part of the flask, at five inches in rear of the crooked sponge-hook.

Of the Carriage-Wheels. (Plate III.)

39.-2 Hoop-Tires for wheels.