New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1888-08-12
THE MONITOR MIANTONOMAH.
MEASUREMENTS, ARMOR AND BATTERIES oF
TILE PROPOSED NEW WAR VESSEL.

MEASUREMENTS ARMOR AND BATTERIES OF
THE PROPOSED NEW WAR VESSEL.
On every Tuesday and Saturday the visiting days
at the Navy Yard, crowds of strangers are permitted
TO pass the marine guard at tho Yorlst entrance, 10
look through the Lyceum, inspect the preliminary
work on the new armored cruiser Maine and 10 stand
In amazemcnt before OF those much-malSned
cruisers built by John Roach Just before his dea'h-
the Boston and Chicago. But what attracts more AZ
tcntion, perhaps, is the monitor Mtantonomah whose
ponderous armor and turrct plates are beng put IN
place and the vessel being pushed to completion This
vessel represents in name only the MIanonomah OK
Ericsson which was the first double turrced monitor
TO cross the ocean, and the date of whose construction
NAV be said have marked the beginning Oh Hloueth
naval warfare The hull of the first Mlan'onomah
was Of wood the present craft is an immense cont
pound steel armored vessel intended to meet the de-
,n,,d- 81 modern warfare The NlantOnomah
ready for her armor rres and gIns nearly len years
ago but not until the present Administration "ouin
the democratic House OF Representatives appropriate
the money for her completion, and the Republican sem
alto stood by its original principles to rebuild Inc Navy
and confirmed the appropriations
Although the pre- ent Mantonomah represents IN
name only the original vessel, she is reproduction
OF the Old vessel being OF the type and arranse
ments lIor system of turrets is the same as THAI
originally adopted by Ericsson for the hrst mon'ts'
a, tine when proicctles wcrc light in weight ara
were discharged with comparatively little power Inc
ell is Of the lcWfteeDOaru class, Der Occh olhe os
! c5 inches above the waterlnc She Is 2o2 feet IN
! length over all go feet length the waterline,
81 IL feet beam II 14-1OO feet draught. 3s15 tons
! disbursement, ard 10 II knots mean speed She Is
buIlt upon the cellular system, with 81 water
/ fight COMMITMENTS. Her double Bottom extends 10
feet of her length and Is divided into 46 compartments
by transverse watertight floors and vertical Keel
through the centre.
Fore and aft of the machinery space the vessel IS
divided vertically by the berh-deck the machinery
being In az inner bottom, extending for length OF
eighty four feet up TO the armordech in which Is
included the boiler and coal-bunkcrs. Between
| the berth deck and the Inner bottom are the maya
zines she'll o0ms loading-roOms, urIct manipulating
machinery watcr-tanlis and all stores. on the after
bcrhdeck are tho quarters for officers and the CABIN
stacrooms In addition these quarters, on tho top
OF each turret Will be wooden structure, containing
Eve rooms for in ordinary weather. or when IN
tropical climates As all the living spaces are below
the wacrlinc, recourse TO natural ventilation can
be had when at sea But in order that good supply
OF fresh air may be had powerful centrifugal blowers
Will be fitted, with capacity of 10000 cubic feet OF
air per minute drawn from an armorcd Ventilation,
five feet in diameter, with its connection twelve feet
above the bidge-dcck. and discharging into duets
leading into all living spaces
These spaces Will be lighicd by deck lights through
the arinor deck. When lying In comparatively still
water, by arrangement OF valves the blowers may
10 used exhaust fans the flesh air being received
through the decklght cowls and matches, The vated
air being exhausted iatO the fire room the atmOS-
phere. Tho ship will be lighted throughout by the
, incandcsccnt electric Hight system
The Mlanionomah has an arInOr belt OF Iron seven
Inches in thickness am,shps reduced TO five inches
at tho cxtremlics extending the entire length an'
protecting completely all parts Ol inc vessel oe aoo
four feet below and twenty five inches above tho water
line. The towers top of each turret viii b. MAJ
inches In thickness and the tnrsets of the roller
base type, carrying eleven and one hali inche
thickness The smOAe- pipe VIII be pro cted D!
armor plate ten ami one hall Inches In thc hneSs aud
the vcntilator by inches OF armOc On top the sds
. Grm0g, for the whole length Of The vessel Will % al
. armorcd deck one and three fourhS inches in thick
The engines OF the iwin.scrcw direct act
n Ing compound tyne Her main battery VIII CONSIST
OF four lOinch blccchloading rifles, Of the Palssc
a sySlcmwo In each OF the revolving iurrets-conVce
- from l5lnch smooth bore guns Tho secondary ~
n terry Of two Gpouudcr rapid FIRE rifles, 81 MILL
o metro revolving cannon and TWO Calling guns Sn'
~ will asn carry torpedo mount and search ligns
, magazncG viii bo largo cnOagh 10 store two huheie'
|" rounds for the l0.inch guns.