PENETRATING POWER OF ENGLISH PROJECTILES

Showing the Penetrating power of Projectiles fired
from English Guns against Iron-clad Ships of war.

Each target represents a certain class of vessel at a
distance of 70 yards except where the range at which
projectiles would penetrate is stated.

NOTE.—Where the target is shown pentrates but no
range given it includes all distances up to 2000 yards.

Diagram Showing the Perforating Powers of
Projectiles Fired at Various Ranges from German
and French Breech-Loading Rifled Guns.

Note.—The upper scale is for guns ³/₁₄ of an inch to 1 foot.
The lower scale is for targets ¼ of an inch to 1 foot.

SHOWING THE PENETRATING ENERGY, IN FOOT-TONS PER INCH
OF SHOTS CIRCUMFERENCE, OF FOREIGN ORDNANCE. AT RANGES
FROM 70 YARDS FROM THE MUZZLE OF THE GUN TO 2000 YARDS.