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The Quebec Bridge has a 

 span over the channel of 

 eighteen hundred feet, which 

 is ninety feet longer than the 

 famous Firth of Forth Bridge, 

 heretofore the longest span 

 built. Near the main post, the 

 bottom chord for each panel 

 weighs 400 tons, making it 

 necessary to split it into four 

 pieces in order that it could be 

 carried by railway to the site 



To the left, a picture showing 

 how the floor of the anchor 

 arms was erected on tempo- 

 rary staging. In order to man- 

 ufacture the steel work an 

 entirely new plant was built, 

 equipped with machinery of 

 unprecedented size and accu- 

 racy, costing a million dollars 



Below is shown the bottom 

 chord of the cantilever arm. 

 The men are standing at the 

 pin-bearing for the main 

 shoes. The diameter of the 

 pin is forty-five inches. Each 

 rib is eight inches thick 



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