The Portland daily press. [volume] (Portland, Me.) 1862-1921, 1863-06-10

NAVY DEPARTMENT, June g. lssa.
naas ..p rroposals viii be received by the Navy
MACHkNERY Y fthe following DESCRIPTION. ps.,six.
Geared engines, two ylinders, diameter Of cylin.
gearing. q diameter Of driving wheel 10 pitch Hne
70 feet inches length al Of driving wheel m
feet inches To have one seweII's surface con.
9enser with seamless brass tubes and an exposed con-
densing surface Of 734 square feet To have yeyti.
cal wafer-tube boilers with seamless brass tubes con-
ine6es F. -f3sssr 3s2ssss ddsssb
Ing en- gines and eight steam pumps. The drswinrs
Of these engines can be examined at the Bureau Of
Steam Engineering.
Two back-sction engines for the United States
ffgate Franklin at the kittery Navy-yard; diameter
Of cynders So inches stroke Of pistons three feet
nine inches. To have one Sewells surface conden-
sor with seamless brass tubes and an exposed con-
densing surface Of 5000 square feet. To have vert-
tanning $50 square feet Of CRATE surface and 160O0
square feet Of heating surface. To have superheaf
ing apparatus 10 have one brass screw to hoist up
to be 10 feet in diameter, two bladed and feet s
inches long. To be provided with two blowing en-
engines can be examined at tho Bureau OF steam
Engineering.
Back-action engines. two cylinders, diameter Of
cylinders 60 inches, stroke Of piston feet To have
one Sewell's surface condenser with sesmless brass
asa an T. o.
seamless brass tubes containing $50 square feet Of
CRATE surface and 1900 square feet Of heating sur
one brass screw Of Is feet diameter with four blades
and length Of 80 inches. To have brass and cop
p;do, ;,h s,nr b,d;n ~a~ ;a an anu =" oc pro
pumps The design of these engines TO be similar
that of the above IS inches diameter Of cylinder and
feet inches stroke of piston.
Back-action screw engines for gunboats, with two
cylinders, each OF 30 inches diameter, and stroke
Of piston of n inches. Each pair to have one Sew
ellis surface condenser. with seamless brass tubes,
and an exposed condensing surface OF 300 square
feet, To have vertical waertube boilers. with seam
less brass tubes containing 1s7 square feet Of crate
surface and LOO square feet heating surface To
have superheating 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, rudderpost. and shoe, and to be provided With
cam cam be examined at the Bureau of steam snssses
ing.
/ Inclined paddle-wheei engines for double-ended
gunboats with cylinder Of 5s inches diameter Of
cylinder, and q stroke Of piston Of feet inches.
To have one Sewelrs condenser with seamless brass
tubes, and an exposed condensing surface of 2,5OO
square feet. To have vertical water tube boilers,
with seamless brass tubes containing 200 square feet
face. To have supsrheating apparatus. To have
overhung iron paddle wheels Of Is feet inches d-
ameter. and Q feet length of paddle. To have two
blowing engines. and one steam pump. The general
plan and specification OF this engine can DO examined
at the Bureau Of Steam Engineering.
engines to be the described In the spe-
cications for the machinery OF the sloope Of
the Jun iata class copies Of which in possession
Of all the principal marine steam engine building
tablishments 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-
Der of duplicate pieces: and the same quanfif Of
tools instruments outfits ETC., proportionally 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 as the
work progresses.
The Department the right to reject any or
all of the proposals that may be made under this ad-
vertisement H. 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
TO 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 NAV choose to offer for machinery Of equal
power on plans and specifications of their own In
place of those above described. je6 eodtd