Engineering Wonders of the World
Volume I
Forfatter: Archibald Williams
År: 1945
Serie: Engineering Wonders of the World
Forlag: Thomas Nelson and Sons
Sted: London, Edinburgh, Dublin and New York
Sider: 456
UDK: 600 eng - gl.
Volume I with 520 Illustrations, Maps and Diagrams
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THE BRIDGES OF THE MENAI STRAITS.
145
A
Foolhardy
Feat.
they were so daring as a workman on the
great cantilever bridge across the Niagara
gorge, who, when but a narrow
gap separated the two canti-
lever arms, laid a plank across
it, walked deliberately to the
middle, and stood on his head, kicking his legs
about just to show how little he cared for the
whirlpool raging two hundred feet below !
bars of inch-square iron. By the end of the
year the structure was complete, and on Jan-
uary 30, 1826, a stage-coach made the passage
of the bridge at the head of a great procession
of people of all ranks.
This remarkable bridge has a roadway length
of just 1,000 feet, while the suspension chains
measure 1,715 feet from anchorage to anchor-
age. The roadway, 30 feet wide, gives accom-
MENAI SUSPENSION BRIDGE FROM THE ANGLESEY SIDE.
(Photo, London and North-Western Railway Company.)
The remaining fifteen chains were raised
in the same manner as the first, and by July
9, 1825, the last was in place. A band as-
cended to a temporary plat-
The form on the centre of the span
Bridge anj played the National An-
opened. r J
them to the crowds which had
assembled for the occasion. Then followed
the more prosaic work of attaching the road-
way of stout planks to the vertical suspension
(1,408)
Facts
and
Figures.
modation for two carriage-ways and a foot-
path. Over 33,000 pieces of iron, weighing
2,187 tons, are incorporated in
the structure, the cost of which
was £120,000. During a gale
the bridge oscillates slightly,
but the crossing of heavy vehicles does not
affect it sensibly.
Simultaneously with this bridge Telford
erected one of similar construction across the
10