How did bridge builders of old ensure both ends of the bridge would perfect meet in the middle before laser measuring was around?
In: Engineering
To blow your mind, the middle of this bridge washed out and they rebuilt it. It has a bit of a kink now. Steel beam suspension bridge. https://www.newspapers.com/clip/31159286/palmer_st_bridge_august_21_1955/. https://en.m.wikipedia.org/wiki/Northampton_Street_Bridge
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