The Portland daily press., 1863-06-16
PROPOSALS.
Proposals for steam NTachi;nery.

NAVY DEPARTMENT, June g. 1868
SEALED Proposals will be received by the Navy
- Department up TO the 18th of june for STE ii
MACHINERY of the following description, namely
Cleared engines, two cylinders, 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 IL
feet inches. To have one Sewe's surface con-
denscr with seamless brass tubes and an exposed
densng surface of 1904 square feet To have verti-
cal watertube boilers with seamless brass tubes
trning 800 square feet of CRATE surface and 25000
square feet of heating surface. To have a super
heating apparatus. To have ono brass screw of Is
feet diameter, with blades, and length of 81
inches. To have a brass and copper rudder, rudder
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-action engines for the United States
ffigate Franklin at the kittery Nayy-yard; diameter
of cylinders 6s inches; stroke of pstons three feet
nine inches. To have one Sewells surface conden-
sor with seamless brass tubes and exposed
dens1ng surface of 1900 square feet To have verti
cal water-tube boilers with seamless brass tubes con-
tanning $50 square feet of crate surface and 1900
square feet Of heating surface TO have superheat-
with brass guides and hosting apparatus the
to be 10 feet in diameter two baded. 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 seemeSs brass
tubes and an exposed condenspg surface of 5000
square feet. To vertical water-tube boilers with
seamless brass tubes, containing $50 square feet of
CRATE surface and 1900 square feet of heating
face. To have superheating apparatus To have
one brass of Is feet diameter with four blades
and length Of 80 inches. To have brass and cop
per rudder, rudder-post 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 cylinder and
3 feet inches stroke of piston
Back-action engines for gunboats, with two
cylinders, each of 80 inches diameter and stroke
of piston of 81 inches. Each pair to have Sew
ellis surface condenser, with seamless brass tubes
and an exposed condensng surface of 1900 square
less brass tubes containing 49, square feet of CRATE
surface and 4, 200 square feet heating surface. To
screw Of II fSet diameter with four blades. and
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-ended
gunboats, with cylinder of SIS inches diameter of
cylinder, and stroke of piston of feet inches.
10 have one sewell's condenser with seamless brass
tubes, and an exposed condensng surface of 800
square feet To have vertical water tube boilers.
with seamless brass tubes containing 200 square feet
of CRATE surface and 1900 square feet of heating
face. To have superheating apparatus To have
oyerhung iron paddle wheels of 26 feet inches d-
ameter. and feet length of paddle. To have two
blowing engines. and one steam pump The general
plan and specification Of this engine be examined
ut the Bureau of Steam Engineering.
The material, workmanship and finish of all the
screw engines to be the described in the spe
cications for the screw machinery of the sloops of
the Jnn iata class, copies of which are in possession
OF al the principal marine steam ngne building
ADJUSTMENTS in the United States.
All the provisions embraced in the contracts for
mat machinery TO apply TO the contracts which may
be made under this advertisement The num-
Der of duplicate pieces: and the same quantii of
tools, instruments, outfits, etc, proportionay TO be
supplied, that is called for in those specifications
The proposals to be Endorsed Proposals for Steam
Machinery to distinguish them from other bust
letters.
Parties requested to offer for any one of the
above engines, or for as many they may consider
themselves able TO execute.
The contract win embrace the usual conditions. and
payments VIII 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 IFS 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
surefies; 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