Fr0ni a London Paeer.
{"newspaper_name": "Portland gazette.", "edition": "01", "page": "p4", "byline": ""}
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Ldf iran BtIdgs oDer tie ba1.eS.


he arch Of this elegant Grutture is the fatte(f
fegment ever buit or large fcale, being a feg-
mtnt of circle of 2,522 feet diameter, the
chord or lpan go. and The veried inc or height
I6 feet I; II lpriugs frsm abutmcnts Of ffone Quilt
on piles, and is ~ feet inches in breadth it
coniits of ribs, placed feet afunder, kept in
Their potion y perforated crols-bars, placed
horizontally at the top ard bottom Of ca A-piece,
quite acrois the rid each of the ribs is com,
Poted OF SO arc c1-pieces, e feet 7 4 inches long
at top, aud 4 feet 3-8 inches at bottom 4 feet
deep, and 4 4nches thick; they are catt hol.
low, for the purpole of introducing dowels
q inches wide, and inches thick through
theie dowels, and alfo arch pieces, are caft
hoes, into whi~h wedges are driven, which
bring the part, into clofe contact and very con
hderaby lefltn the fhoot or thruf of the arch
The iPondrils are filed up with circles, which
diminth from the abu.meRts 10 the centre
the whole is covered with plates one inch
thick, and fee broad on the ends Of which
reit the panels, on which the ballutrade /. ,l,-
ced. The whole weight Of iron Is 40 tons
ct which the covering plates weigh 100 The
bridge was cait BY The w zIkcrs OF Rothe-hac,
on an improved plan, fo- the invention Of which
h.' majeity has b-en GRACEFULLY plesied to grant
hls royal letters Pa;ent 20 Mr.. T. Wilton. EN-.
eaeer, of Wearmorthbrsige, under Whole di-
rcction the whole iron-work was thrown acrocs
tie river Thames, and completed in lei, than
fix months


The firtt day the bridge vas opened for pub
Ec ufe, the commidioners had the plea6,fr of
feeling 20 fat oxen, 10 horfes, and a great
number of people uPon the bridge, AZ the fame
tne, without producing the lesit effect upon
It, although the trotting Of horie make il Vi
rrate. The king and royal family, pafled over
IN the hrit four coaches, drawn BY four hories
each.