(2) The Britannia and Conway bridges were built on staging on shore, lifted by pontoons, floated out to their position between the piers, and lastly lifted into place by hydraulic presses.
Until modern times the city was built largely on floating pontoons or on piles at the edges of the innumerable canals and water-courses which formed the thoroughfares, but to meet the requirements of modern life, well-planned roads and streets have been constructed in all directions, crossing the old canals at many points and lined with well-built houses, for the most part of brick, in which the greater part of the erstwhile riparian population now resides.
In length, each supported by two pontoons placed 64 ft.
A battle was fought on the Canal banks, and some Turkish detachments succeeded in launching pontoons on the Canal itself.
" Floating " bridges are roadways carried on pontoons moored in a stream.