New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1852-08-20
sOll TUNS of WIRE WANTED

SM IONS o. , VIE s ~ 49, WAN nhD ~.
r.rt Of the NIAGARA FALLS INTERN .TIONAL
BRIDGE COMPANIES, for the construction of the wire
cable, OF the Raosd Suspension Bridge OF 900 feet span
10 be erected the Niagara River below the Fsa for
the delivery Of ONE MILLION OF POUNDS or IRON
WIRE any rortion Of it less than 10000 lbs OF the
site OF the bridge, on the following conditions: go
Tie wire il to DO Of No. IL sze, so that ~ feet VIII
weish exactly ooe pound 800
The skeins 70 weigh 40 less than 10 IDS An cHef ioI
so to 40 lbs will be greatly preferred
g. The wire must bs finished h lime coat smooth and
even, both ends OF the same thickness
1t must be finished in three holes or nearly as hard az
sprir g.wne -
ty of charcoal blooms which will make hard wire Of great
elasticity. strength. fibre and toughness ~
g. The blooms have been manufactured OF codbsst
charcoal pig aud not OF anthracite pig nor OF blast pig
Satisfactory evidence will be required beforehand OF
the quality ofthe on Of which the wire is to be drawn
g. The wire must be dawn blocks OF no les than two
g. 1t must be put in bundles of2OO lbs be
done, y itbout small keins
TO- The wire is be delivered in FIVE equal portions dur
Ing the months Of May June, july August and September
H. on delivery the wire will be examined and tested In
the following OF every bundles or loo lbs one
,ksin will beseleced ard suspended between two post:
will be gradually hauled until it breaks The condition
is that this wire us not break with greater dehec
ton tran 9inches which il equivalent to 800 lb or 80 GOO
per superficial inch Of solid wire section II II stands this
test then further examination Of that lbs In respect
to other qualities will be continued but II not will DO
rejected placed at the disposal Of the contractor
r. Asregads toUghness and FIBRE each end OF akein will
be teteO 6endlnglt SQUARE
of and sharp pliers, and bending IL back again. The
wire this without the least sign Of failure
Its hardness and elasticity will at the time be
ined by bending swinging also by hammerpg filing and
notcbing the ends which forms part OF the operation OF
splicing
IS Such stood the various tests Satisfactorily
will then be accepted condionaly and 80 per Of It's
full value will then be paid to the contractor In bsnkable
funds
a. The 20 per cent. will be reserved for four months
longer Should in that time during The construction Of the
cables any defective skens be discovered such sens
will be rejected and placed at the contractors disposal
either whole oiled oiled in such condition
they happen be during the progress Of the work The
value Of such WIRE together with the labor expended upon
t. will then be deducted OF the 20 per cent reserved
Is The undersigned the Engineer Of the Bridge will
be the sole Judge Of the above tests he viii stand ss an Inn
partial umpire between the contractor and the Bridge Com
penes az from bis decision there shall be appeal
6 PROPOSAL for imported wire will also be accepted One
half 50600O lbs will be used the Canada side, and may
| be bonded, If imported by way Of NewYork.
H. Proposals will be received until the LIST OF October
they be directed the undersigned at Niaga
Falls N. " and should be marked the envelope
| Proposals fo Bridge Wire"
10 Thoe contracior VIII proposals accepted, will
be informed OF the fact by mail before the 10th Of Oc
| toher next JOHN A. ROEBLING,
Engineer of the Eisgars Falls Railroad Suspension Bridge
| Niagara Falls, N. Y, August s. 1852.