Page 396 - (DK) The Ultimate Visual Dictionary 2nd Ed.

SEA AND AIR
The battleship 20TH CENTURY WEAPONRY

Torpedo tube Warhead
IN THE EARLY YEARS OF THE 20TH CENTURY, sea warfare—
Sight
attacking enemy vessels or defending a ship—was
revolutionized by the introduction of Dreadnought-type
battleships like the Brazilian vessel below. These new
ships combined the latest advances in steam
TORPEDOES
propulsion, gunnery, and armor plating. The gun
turret was designed to fire shells over huge distances. Side-thrown
canister
It was protected by armor 12 in (30 cm) thick. The
DEPTH
measurements given for the guns of this ship refer CHARGES Stern-rolled
to the bore diameter. Where “weight” is quoted, this canister
is the weight of the shell that the gun fires. Torpedoes—
as portrayed on the upper cigarette card (right)—were Torpedo-fired Boat handling
self-propelled underwater missiles, often steered by gyro- canister derrick
control. Depth charges were designed in the First World
War for use against submerged U-boats. They are BRAZILIAN BATTLESHIP
Gunnery
canisters filled with explosives that are detonated
spotting top
by depth-sensitive pistols. The lower cigarette Rangefinder Forward
card shows depth charges being fired by funnel Purchase wire
Light screen
a “thrower,” fired from a torpedo tube,
Lifeboat Searchlight
and rolled from the stern. Ship’s shields Compass
were fitted to warships from the late Searchlight
Compass and rangefinder platform
19th century onward. The shield
platform
shown opposite depicts a Ship’s wheel Leading block
traditional ship’s cannon.
Tripod mast
Navigating bridge
Boat
Conning tower winch
Captain’s shelter/
chart house
Arms of
Brazil Weather shutter
for gun “F” turret
Jack staff
12 in (30 cm)
gun
Skylight

Porthole Forward Sighting “A” turret Open gun mounting Steam launch
Stem Belt accommodation hood
(false ram bow) armor ladder Turret barbette 4¾ in (12 cm) gun Guest boat boom

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