New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1852-08-24
KIM TUNS of WIRE WANTED


COV Proposal, are invited BY the undersigned. 90 the
part of the NIAGARA FALLS INTERNATIONAL
BRIDGE COMPANIES for the construction OF the wire
cables Of the Railroad Suspension Bridge of 300 fact spsn
to be erected ever the Niasars River below the Falls
the delivery OF ONE MILLION OF POUNDS or IRON
sts Of the Ss.e on the foowins Conditions
The wire IL to be OF No. 10 sze, 90 that ~ feet VIII
weigh exactly pound
The skeins 70 weigh less than lS lbs An offer for
80 TO 40 lbs will be greatly preferred.
s. The wire BE- finished It'll lime coax smooth and
even, both ends OF the same thickness.
Ii must be nisbed in three holes nearly hard ~
sprirg.wire
8 Of charcoal blooms which will make hard wire OF great
elasticity, strength. fibre and toughness $500
6. The blooms have been manufactured OF coldbast
charcoal pig of anthracite ps OF blast pig
T. Satisfactory eyid will be required beforehand OF
the quality otthe Tou Of which the wire u DO drawn
Tbs wire be drawn blocks OF no less tnan two
feet in diameter.
1t be puup 10 bundles Of2o lbs as near as can be
done. without small skeins
ing the months of May June july August and September
IL On delivery the wire will be examined and tested 10
the following OF every bundles or 1000 lbs, one
sken will beSeected, and suspended between Two pos.
will be gradually hauled on until 1t bresks The CONDITION
now is that this wire not break with greater deec
ton than 9lnches which Is equivalent TO % los "r Wn
per superficial inch of solid wire section II IL STANDS this
test then further examination Of ost 1000 bs respect
to Other qualities will he continued hut not IL will he
rejected placed at the disposal of the contractor
L. AsIegsds toughness and fibre each end OF sken VIII
be tested by bending the JAWS OF large pair
OF aud sharp oilers and bending iC back again The
wire this without the least OF failure
Its bsrdDe and elasticity will at The time BE-
ined by beDdp wir giug also by hsmmsng fling and
notcns the ends which forms part OF the operation OF
splicing
IS Such ots have stood the various tests satisfactorily
will then be accsced cOpdlionsy and 80 per cent Of s
full value will then bs paid the contractor In bsnssbe
funds
Il The 20 per cent will be reserved for four months
longer Should Ia that time during tho construction OF the
eabes any defective skeins b. discovered SUCH skeins
will b. rejected and placed at the contractors DISPOSAL
either broken whole oiled oiled in such condition
they happen be during fhe progress OF the work The
value of such wire with the labor expended upon
il will then be deducted OF tine 20 per reserved
H. The signed the Engineer OF the Bridge, Will
be the sole uog- Of the above tests be will stand I'm
partial umpire between tire contractor and the Br iee CON-
peuies d GOm hls decision there shall be appeal
To- Proposals imported wire will also bssccepted One
half $50 %" lbs will be used the Canada side and may
be ronded, il imported by wey Of New.fork.
IT, Proposals will be received until the lst OF October
next they be directed 10 thu undersigned, at Taes
"a Fall. NJ Y. and should be marked she envslope
"Prtposos to- Bridge Wire"
10 Tho'e contractors. VIII proposals accepted viii
be informed the fact by mail before the lOh ~ 90
tober next JOHN A. ROEBLING,
Eng Of the Niagara Falls Railroad Bridge
kIsgara Falls, n. L, August ) 1852