A) Knob, B) Neck, C) Vent, D) Trunnion, E) Muzzle Swell, F) Muzzle Face,
G) Muzzle, H) Rimbase, I) Cascable, J) Breech, K) Chamber, L) Bore 

A)  Solid shot attached to wooden sabot with straps.
B)  Shell-complete fixed round.  Cartridge bag tied to sabot.  Paper bag in place.
C)  Arrangement of straps for shot (1) and shell (2) (opening allowed for fuse).
D)  Cartridge block for separate cartridge.  Projectile and powder charge for rounds
    for guns larger than 12-pounders were usually loaded separately.
E)  Shell and sabot.
F)  Spherical case:  12-pounder. contained 4.5-ounce burster and 78 musket balls.
G)  Canister:  12-pounder contained 27 cast-iron shots, average weight is 0.43 pounds
    in tin case, nailed to sabot.
H)  Complete fixed round of canister.  Paper bag was torn off before loading.
I)  Tapered sabot for howitzers (powder chamber in howitzers was smaller than the bore).