. Our iron roads: their history, construction and administration . VICENZA AND VENICE VIADUCT. Roman cement ; the upper parts are of brick. The bridgeconsists of 222 arches, and is 12,000 feet in length. A thousandmen were employed on the work, and they were engaged duringfour years. Thus is Venice—the ocean city—chained to themainland. No future Rogers will be able to describe theapproach to it as he did :— There is a glorious city in the sea is in the broad and narrow streets,Ebbing and flowing, and the salt sea-weedClings to the marble of the track of men, no footsteps to


. Our iron roads: their history, construction and administration . VICENZA AND VENICE VIADUCT. Roman cement ; the upper parts are of brick. The bridgeconsists of 222 arches, and is 12,000 feet in length. A thousandmen were employed on the work, and they were engaged duringfour years. Thus is Venice—the ocean city—chained to themainland. No future Rogers will be able to describe theapproach to it as he did :— There is a glorious city in the sea is in the broad and narrow streets,Ebbing and flowing, and the salt sea-weedClings to the marble of the track of men, no footsteps to and froLead to her gates. The path lies oer the sea CONEWAGO VIADUCT. 195 Invisible ; and from the land we wentAs to a floating city—steering inAnd gliding up her streets, as in a dream,So smoothly, silently—by many a dome,Mosque-like, and many a stately portico,The statues ranged along the azure sky ;By many a pile in more than Eastern-prideOf old the residence of merchant kings. CONEWAGO VIADUCT. Two more interestingexamples of this kind ofwork may be referred is the Conewagoviaduct on the Pennsylvania railway, of which we give anillustration ; and the other is the viaduct at Trenton, on theDelaware River. Bridges are an important class of railway works. The number 196 OUR IRON ROADS. of those erected over or under local roads, and for field com-munications, on English railways alone, is surprising. Some-times cattle arches are also constructed, under which farmersmay drive their flocks and herds, instead of running the risk of


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1883