dd. As regards firing against heads of saps.
b. Seven, ten and twenty-five lb. shells, carcases, and light balls, to note—
aa. The grazes, distances, and deviations at different elevations and charges, also as regards ricochet firing.
bb. The probability of hitting upright targets at various distances.
c. Shells, carcases, and light balls from mortars, to note—
aa. The probability of hitting upright targets at different distances.
bb. The calculation of the charge or elevation when one of these elements and the distance are given, or vice versâ.
cc. Calculation of lengths of fuse for given distances.
d. Throwing hand grenades, stones, 1-pound case shot, and 3-pound balls at various distances for comparison of the effects.
e. Firing from the hand and stock-mortars at differing distances.