A recognition of this is shown
in the attitude of the United States Government in compelling
all passenger-carrying vessels entering our ports to be equipped
with wireless apparatus."
Of the Titanic tragedy, Marconi said:
"I know you will all understand when I say that I entertain
a deep feeling of gratitude because of the fact that wireless
telegraphy has again contributed to the saving of life."
WATER-TIGHT BULKHEADS
One of the most essential factors in making ships safe is
the construction of proper bulkheads to divide a ship into
water-tight compartments in case of injury to her hull. Of
the modern means of forming such compartments, and of
the complete and automatic devices for operating the watertight
doors which connect them, a full explanation has already
been given in the description of the Titanic's physical features,
to which the reader is referred. A wise precaution usually
taken in the case of twin and triple screw ships is to arrange the
bulkheads so that each engine is in a separate compartment,
as is also each boiler or bank of boilers and each coal bunker.
SUBMARINE SIGNALS
Then there are submarine signals to tell of near-by vessels
or shores. This signal arrangement includes a small tank
on either side of the vessel, just below the water line.
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