The Portland daily press. [volume] (Portland, Me.) 1862-1921, 1890-06-30

ture in our naval vessels. The blowers for
ventilating the living and other spaces are
located on each side of the vessel amidships,
and the firemen's wash rooms in the centre
adjoining the fire room matches. Great space
is available on this deck for berthipg the
crew, and all staterooms, quarters. ETC., are
well lighted by sidelights or sskylights; the
height III 1e aie clear under the beams is Ct feet.
The forecastle deck Is about 10 Il in ngth,
and under it the space Is divided by steel
transverse bulkhead. The forward compart-
ment contains the closets for the crew, also
the windlass and two 57mm guns. The after
compartment contains the galley inclosure
and the officers quarters.
triple expansion engines. placed in separate
water-tight compartments, capable Of devel-
0ping10, $50 horsepower with forced draught.
The cylinders are AZ, GO and "a inches In d.
ameter with 42-inch stroke. There are two
three bladed screws. about IA feet inches
in diameter There are four double-ended
horizontal return tubular boilers IA feet
inches In diameter, each having at each end
four corrugated furnaces three feet in diam
eter. Four electric plants of the most APP
proved pattern, the lightest and most com.
pact and best adapted for marine work, are
to be placed in the vessel. Each engine to
be so arranged as to drive either dynamo
separately, or both together. The dynamos
to be Of the same electromotive force, each
to be capable Of producing $500 CANDLE
power of light, so constituted that lights of
10, 16, 80 and 30 candle-power can be used on
the same circuit, with an independent con-
troll over each lamp. All parts of the ship
are fully lighted by the incandescent lamps,
including coal bunkers, magazines, she'll and
ammunition rooms, running lights, and
lights for use on the upper deck and aloft.
Recourse is had to natural ventilation as
much as possible for the living and storage
spaces by means OF pipes, l0uvres and c0wls.
Artificial ventilation Is provided for all COM
partments below the living deck by means
of two blowers of 10000 cubic feet capacity
per minutes, so arranged with reversible
valves as to exhaust from or force air to the
several parts Of the vessel, and to deliver
into the Flower parts of the engine room or
the open air.
A steam windlass is fitted on the forward
gun-deck, worked by an independent engine,
fitted with warping ends on each side for
taking hawsers, to be worked by hand power
when required. A capstan is located above
the windlass and connected to 1t, to work by
steam or hand power. A small steam winch
is fitted on the gun deck for warping ship.
lifting boats and weights
The main battery consists of four S-inch b.
l.. RS mounted on the poop and forecastle,
261 and % feet respectively, above the water
six 6-inch u. l.. RS mounted Is feet above
the water in sponsors, having train of 155
degrees from the line of the keel for the fore
and after pairs, and train of 130 degrees for
the guns in the waist. The secondary bat
terry consists of six 7-pounders, rapid fire
guns, six Hotchkiss revolving cannon and
four Gattlings. Five above-water torpedo
launching tubes or guns are fitted, two fixed
tubes forward firing directly ahead, and one
fixed one aft, and training tube on each
bow. An armored coming tower three
inches thick is fitted on the forecastle, with a
horizontal cover one inch thick, with open
iDgs In the sides for outlo0ks. Engine tele-
graphs. steering wheel, an indica-
tor and speaking tubes is fitted within the
tower.
In the admiraps cabin is a beautifully ex-
ecuted crayon portrait of Cecilius Calvert,
second baron of Baltimore. Immediately in
front Of the admiraps quarters, and next to
the ward room. is the library. The books
are catalogued and numbered. The works
of fiction are on one side, and scientific and
historical works are on the other. The
books are encased in mahogany cases cover
ed with glass doors.
Naval men say that the Baltimore at close
| quarters with an enemy, can do lot Of dam
age, for in addition to the torpedoes and
other war machines, she has wonderfully
sharp stem, which. used as a ram, would cut
down the stoutest ship. The electrical plant
on the cruiser is the best that has ever been
placed on any ship in the service, or in the
world, in fact. 1t was furnished by the Edi-
son Electrical Company, and was placed in
position under the supervision and inspec-
ton of Ensign Morgan. of the gunboat Pc