The Portland daily press., 1863-06-11

NAVY DEPARTMENT. June 3. 1863.
CEALED Proposals will be received BY the Navy
- Department up TO the 18th of June, for STEAM
MACHINERY Y of the following description namely:
Geared engines, two ylnders diameter of cylin-
der 100 inches stroke Of piston. feet; multiple Of
gearing 2; diameter OF driving wheel to pitch line
10 feet inches; length all Of driving wheel II
feet inches To have one sewell's surface con-
densing surface of ,054 square feet. To have yerf
cal waer-ube boilers with seamless brass tubes con-
trining goo square feet Of crate surface and $500
square feet of heating surface. To have super
heating apparatus. To have brass screw OF Is
feet diameter with blades. and . length OF "a
post and shoe, and to be provided with eight blow
ing engines and eight steam pumps. The drawings
OF these engines can be examined at the Bureau Of
Steam Engineering.
Two back-acton engines for the United States
figa,e Franklin at the kittery Navy-yard diameter
of cylinders IS inches stroke pistons three feet
nine inches. To have one sewells surface conden-
sor with seamless brass tubes and an exposed con-
cal waertube boilers with seamless brass tn ubes con-
tanning $50 square feet of crate surface and 900
square eet OF heating surface To have superheaf-
ing apparatus TO have one brass screw to hoist up
with brass guides and hosting apparatus: the screw
to be 10 feet in diameter, two bladed, and feet
inches long. TO be provided with two blowing en-
gines and four steam pumps. The drawings Of these
engines can be examined at the Bureau of Steam
Engineering.
Back-action engines, two cylinders diameter Of
cylinders 90 inches, stroke of piston feet To have
one sewers surface condenser with seamless
tubes and an exposed condensing surface of 5000
square feet. To have vertical wacrube boilers with
seamless brass tubes containing $50 square feet of
CRATE surface and 5000 square feet of heating
face. To have a superheating apparatus. To have
one brass screw of Ii feet diameter with four blades
and length Of - inches To have brass and cop
per rudder, rudderpost and shoe; and to be pro-
vided with four blowing engines and four steam
pumps. The design of these engines to be similar TO
that of the above IS inches diameter OF cy Under and
3feet inches stroke of piston.
Back-action screw engines for gunboats, with two
cylinders each of 30 inches diameter, and n stroke
OF piston of q inches Each pair to have one sew
ellis surface condenser. with seamless brass tubes
@ ala an exposed eondensng surface OF loo square
less brass tubes containing 1s square feet of CRATE
surface and LEO square feet heating surface To
have snperheating apparatus. To have brass
screw of III feet diameter with four blades, and q
length of is inches To have brass and copper rud-
der, rudder-post and shoe. and to be provided with
one steam pump. The drawings of these engines
can be examined at the Bureau Of Steam Engineer
ing.
Inclined paddle-wheel engines for double-cuded
gunboas. with one cylinder of IS inches diameter of
cylinder, and stroke Of piston of s feet inches
tubes, and an exposed condensing surface Of $500
square feet To haze vertical water tube boilers
with seamless brass tubes containing 200 square feet
of CRATE surface and 200 square feet OF heating ur
face. To have snperhcating apparatus. To have
overhung iron paddle wheels of % feet s inches d.
ameter and feet length of paddle. To have two
blowing engines. and one steam pump. The general
plan aud specification of this engine can be examined
at the Bureau of Steam Engineering
The material, workmanship, and finish of all the
screw engines 10 be the same described in the spe-
clheatons for the machinery of the sloops OF
the Jun iaa class copies Of which In possession
OF all the principal marine steam gne building e.
adjustments in the United States.
All the provisions embraced in the contracts for
that machinery TO apply TO the contracts which may
be made under this advertisement The same num-
ber of duplicate pieces; and the same quantii of
tools Instruments. outfits. etc. proportioually, to be
supplied, that is called for in those Specifications
The proposals TO be indorsed Proposals for Steam
Machinery" to distinguish them from other busi-
ness letters
Parties are requested to offer for any one of the
above engines, or for as many they may consider
themselves able to execute.
The contract viii embrace the usual conditions and
payments will be made in the usual manner the
work progresses.
The Department reserves the right TO reject any or
all of the proposals that may be made under this adj
vertisement it, in its opinion, the public interest
quires.
The proposal will state the name or names of the
Navy-yards at which the parties intend to furnish
the machinery the number of engines they propose
build the names of the parties in full and of their
sureties the gross sum for which they propose TO
furnish the machinery erected in the vessel complete
and ready for steaming; and the time from date of
contract in which they will guarantee to complete
the work.
The proposals of parties will also be considered
who may choose to offer for machinery of equal
power ON plans and specifications of their own in
place OF those above described. ie6 eodtd