The national Republican., 1862-07-23
DROPOsALs FOR PADDLE.wHEHL
L STEAM MACHINERY FOR THE UNITED
STATES NAVY.

THE NAVY DEPARTMENT will, until the 18th
Day Of July, receive eeaisd proposals. ior The con;
struotion OF steam machinery for paddle wheel
Each steamed. will have one inclined engine Of not
Ss 3,
inohs: , TIE fi.@e ran to Be- Of yellow Pine strongly
which the oondensing surface Will Be composed Of
drawn bras tubes i've eghths inch outside diameter;
tube plates and followers Of brass total area Of con-
pump oon.idsrsd Is single sotinsl IS cubic feet; Ga
pacy Of eirculAting pump oonsidered q single sct.
S.y 3 s. .sS q @ .. and ,S.n S. ,R ;S n s
pumpe' pistons; receiving and delivery valves OF
pumps TO have net ares Of opening Of not less than
one and = half time The area q Of the pumps pstons;
!he cylinder. 6 to have bra.s balance poppet
brass. Steam valve to- be arranged with 6tevens'
cut-of The whole valve gear to be fnished and Ar
rsnssd for working hooked on back Is well as
The oreshssd 70 be Of wrought iron and nnished.
The shan to BE- Of wrought Iron, turned. The out
lleylinder covers, valve chest and pump bonnsts,
With thsir bolt, and nuts, and links and connecting
4 plsnSsr feed pump and bilgs pump, Of brass, to
be- provided Of cubis feet eapscty; valves oi gum,
and to have net opening OF twice the capacity Of
The pumps are to be worked by wroushtiron
Wrousht.iron shaf, which b to be worked from ths
main osos.hssd y anishsd links and vroushs+roa
Ihe psddls.whesi !. TO- be ovsthunE, to BE- Of
and % feet n S: .
inehes long, aud Is inches wide.
There are TO be two Martin boilers placed opposts
boiler Is ses, width 10 feet Il. inches height .Sout
feet inches 10 contain five furnaces eaoh; the tar
naces to be three feet wide; loegth Of CRATES feet
ssns than sSss shs
with the exception Of the bottoms TO be Of sic inch
pats bottom; furn,ces and q. pit. Of three eighth
hydrostato test pressure ofsxty pounds per square
G.Sh boiler H. I 70 have No ~ Dimpfel blower
All the detail finish quality Of materials and work.
nanship, to be first class proportioned for working
comfortable to the previously printed
BY the Department for paddle wheel steam machine
r. There will also be furnished the tools duplicate
pieces, Instruments &C., required BY those specica
The proposals will state the nsmes Of the bidders
and .sn. ss .ss
propose to furnish i In the vessel, complete and
cases Of erecting il in ths same pof and Of transport
Ing and erecting 1t In another port; end the time
from d.ts q eoStraet II which they VIM guaranty to
lisr II the vessel i at the same port and one month
Garner II ~ enotner port; II not reauy, tWenty0ne
days month"; according TO the oase, will be al
lowed for completion from date OF readiness.
The contract will embrace the usual conditions,
and payments will be made In the usual manner a.
the work progresses.
The proposals are TO be endorsed " Proposals for
Paddls.wheel Steam Maohinery," to distinguish
them from other buiiness letters.
The Del artmsnt reserves the right TO rsjeot any
or all Of the proposals made under this ADVERTISE
ment II, In s oplnon, the public interest requires.
No proposals will be considered except from pro-
prietors Of marine engine building establishments
ylb