New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1852-08-16
SON TUNS of WIRE WANTED

S(W riO No Oh w. VIE IN. VAN AM IED'M -
part of the 0p E la FAILS iNTERNAToNaI
BRIDGE COMPANIES, fer the construction Of the wire
cables of the Railroad Suspension Bridge Of 300 feet
the delivery Of ONE MILLION OF POUNDS OF IRON
WIRE or portion Of Il mot less than 10000 lbs at the
The wire is to be of No. 10 size, that 20 feet will
weigh exactly one pound
The skeiDs 70 weigh no less than IL lbs An oer for
so to 40 lbs will be greatly preferred
8. The wire must be finished It'll lime coal. smooth and
even. both ends Of the thickness.
1t must be finished In three holes, nearly hard
spripewiIe
ty Of c scoa bloomS which will make hard wire OF great
elasticity, strength, fibre and toUghness
g. The blooms must have been manufactured OF codb.st
charcoal pig and not OF anthracite pig OF hot blast pig
Satisfactory evidence will be required beforehand OF
the quality ofte IRON Of which the wire is to be drawn
g. TIE wire must be drawn blocks OF no less than two
feet in diameter.
g. 1t must be put up in bundles of2oO lbs,
done, without small tkeins
10 The wire is TO be delivered in FIVE equal portions dur
ing the months Of May June, July August and September
H. % delivery the wire will be examined and tested in
the following OF every bundles 600 ibs
sten will he selected, and suspended between two po'ts
400 feet apart the end attached 70 cspsan by which
will be gsduay hauled until II bresks The condition
now is that this wire ust break with greater desc
ton IL 9nches which is equivalent to 1900 lbs 90 900
per superficial inch OF solid wire section II It stands this
test then further examination of 900 lbs In respect
TO other qualities will be continued but II not 1t will be
rejected placed at the disposal Of the contractor
L. Asegafos oughness and fibre each end OF sSein VIII
be by bending the Jaws OF large pair
Of and shsp piers and pending 1t back again. The
wire must stand without the least sign OF failure
Its harness and elasticity will e. the same time be exam.
lined by bending ard swinging sso by hammerng fling and
nocbins the ends which forms part OF the operation OF
splicing
10 Such have stood the various tests satisfactorily
will then BE- accepted copdonsY and 30 per cert. Of It's
full value will then be paid to the contractor In osnkabe
funds
a. The % per cent will be reserved for four months
lori Should in that time during m. construction OF tbs
cables defective skeins be discovered such skes
will be re-cted and placed at the contractors tsposai
either broker whole oiled not oiled IN such condition
they happen to be during the of the work The
value Of such together with The labor expended upon
H. will III. be deducted OF the q per cent reserved
l5 Inc undersigned the Engineer Of the Bridge, viii
be the sole uoge the above tesS; be will stand an Inn
partial umpire hetw the contractor and the B ge Com
psnies d from bis decision there shall be no appeal
49, Proposals. for imported wire will also be accepted One-
half or 500 Or lbs will he used the Canada side aud
be oonded, ii imported by az % NewYork.
II Proposals will be received until the lst OF Ocober
they be directed TO tn. undersigned at Naga
Fsiis, n Y, ana should be marked the envelope
"PIe % sails fOI Bridge Wire -
10 1hoe contractors VIII proposals. are accepted will
be informed Of the fact b. mail before OF on the st Of DC
tober next JOHN A. ROEBLlNG,
Engineer Of the Niagara Falls Rsiroad Suspension Bridge
EiF CARA Ails, n. Y, August s. 1852.