Wilmington daily commercial. [volume] (Wilmington, Del.) 1866-1877, 1872-11-16

Six steam O., s.a I ~ on the DelawRre-wiI-
mIngtOa prd Ups eter hecrnitihE American
Commerce -.aunrh Of the CRIimo, 10 Day.
The Pacific Mail Steamship Company is build
ing on the Delaware ak ocean steamers for SER
Woe upon their lines. -Four Of these are being
built at Chester, at the " Delaware River Iron
Shipbuilding and Engineering Works, and two
Al the yard Of the Harlan d Hongsworth Co.,
in this city. or those building here, the first ia
rapidly approaching completion and will be com
mitted to her destined element on Tuesday, the
26th inst. OF those at Chester, one was launch-
ed to-day, at l. 20 Z. M another will be ready
to launch in about III months, while the keel
of the third has recently been laid. The fourth
has not been commenced yet
The second Of these steamers is consort of
the one which We shall describe presently, and
of the same dimentions, except that it will be
twelve feet longer. In ali other respects the
construction Of the two will be alike. The re-
manning two winbe over four hundred feet in
length.
The steamer which was launched to-lay was
| christened the CdlimO. hhe is an iron screw
| steamer built in accord with the British Lloyd
| rules OF 1871, and Of register 100 A-which is
| the highest class vessel they build. In length,
the OdlinO is $50 feet on the twelve foot
water-line; over all 800 feet Her width of
| beam is 40 feet, and depth of hold, from base
| line TO upper deck, 80 feet inches.
The strength and construction of the first of
| the feet will be understood from the following
description; The keel is of the best hammered
| iron, 10x2sl inches. The stem ID OF the same
material maintaining the same width to the
fifteen foot water line. The stern post is forged
| IN one piece Of the best hammered iron. and il
! regarded as a masterpiece OF workmanship. The
| forward post is 515xl0 inches Glow the eyes,
| and 29IxlO above The after part contains a
bearing for the propeller shaft. The cardboard
strake is "a 16 inches thick the bottom plating
11-16 at turn OF bige 1915; sides 10-16; main
deck shear strake IS 16 upper deck shear
strake 1l-16.
The vessel contains centre intercostal keel
son plate, 24x9-16 inches thick, ending with 7-16,
and lifting down between the floors on the top
| OF the keel. The keeson plate ID 12x9 l6 inches
and rivited to the floor, with reverse bars,
| and to the centre keel5on between side, or
sister, keelson is between the bige and centre
| kee.son, while these are fitted to the floors and
| the outside plating.
The Caltnlo is built in four Iwater-tight bulk
/ heads, fitted betweeen doHble frames-one al
each end of the vessel, and one at each end OF
the machinery space--aH extending to the middle
deck. except the collision bulk head, which
/ reaches to the upper deck. The thickness OF the
iron in the lower part is 7-l6, and in the upper Is
| The beams are of roll 4 bulb iron There art
/ the usual iron stauchions and breasi hooks in
/ bow and stern. The bottom of the vessel is Gov
cred on the inside with the best Portland cement
running up to the turn Of the bilge.
| The machinery was built in Glasgow, by Ran
i dolph d Elder, and is of the compound over
head type. 1he high pressure cylinder is 81
inches in diameter, with Az inch stroke, and the
| low pressure cylinder is IS inches in diameter
| with AZ inch stroke. Ths diameter Of the whee
lis 16 feet inches, with "a feet pitch. The boil
ers IS feet in diameter by 8 feet inches long
and four in number.
The Caliplo is Of about 1924 tons burthen.
2 s-.t4a a--s OTHER WORK.
Besides the steamsrs OF the Pacific Mail Co..
there are also two others under way, and con
tracts have been entered into for the construc
ton of others still.
An iron steamer, 2O6 feet long 33ft. inche
wide; and II IT. inches deep is being bull
for MIR. Dickinson, of new York for the coast
ing trade. She will be fitted with geare'
beam engine. and will be of 1000 tons burthen
There is also in frame an iron ferry-boat TO
the Erie Ferry Company, plying between Jerse
City and the North river. Thus vessel was de
signed by Theodore Allen is 1872 feet long, 6
feet vide, and Is feet inches deep Her COZ
struction is somewhat pecuiarin that she has
guard in front of rudder, Of wedge shape iron
scarphed to the keel under the rudder and joine
| to the post by arms extending therefrom.
| MIR. Roach also has the contract for buildin
the hulls of two iron golfers for the Reading /
Il. Co., at S3O0,OOO. hI g. ..