Tunis's topographical and pictorial guide to Niagara Falls and route book to Montreal, Quebec, Saratoga and the White Mountains : also description of the StLawrence, Ottawa, and Saguenay Rivers-- . wii-es in each cable, 3,684 Total number of wires in all four cables, 14,736 Number of feet of wire, 18,129,004 Number of feet of wire in wire rope, . 3,043,022Aggregate length of wire, 20,463,422 feet, or moro than 4000 capacity of the four cables, 12,400 weight of the Suspension Bridge, 800 GUIDE TO NIAGARA FALLS. 41 Suspension Bridge —• The Whirlpool. This ample capacity
Tunis's topographical and pictorial guide to Niagara Falls and route book to Montreal, Quebec, Saratoga and the White Mountains : also description of the StLawrence, Ottawa, and Saguenay Rivers-- . wii-es in each cable, 3,684 Total number of wires in all four cables, 14,736 Number of feet of wire, 18,129,004 Number of feet of wire in wire rope, . 3,043,022Aggregate length of wire, 20,463,422 feet, or moro than 4000 capacity of the four cables, 12,400 weight of the Suspension Bridge, 800 GUIDE TO NIAGARA FALLS. 41 Suspension Bridge —• The Whirlpool. This ample capacity of the cables will be better ap-preciated when it is stated that the total weight of aloaded train of double freight cars covering the entirelength of the bridge, including the weight of the loco-motive, and added to the above weight of the super-structure, would be less than 1300 tons. The successful completion of this bridge must beconsidered as a new and most important era in the his-tory of scientific achievement. It presents the sus-pension principle in a manner decidedly original, andcombines, in a most astonishing degree, strength,stiffness, durability, and beauty. M ^;; ^^:isM. Three miles below the Falls, the river turns abruptlyin its course, and springs away to the right. At thispwnt the current breaks against a spur of the Canadian 42 TOPOGRAPHICAL AND PICTORIAL Whirlpool—Devils Hole. cliff, and a part of it, being thrown to the left, sweepsaround in a circular direction before reuniting withthe main stream. This circular current is calledthe Whirlpool.
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Keywords: ., bookcentury1800, bookdecade1890, bookidtunisstopogr, bookyear1890
