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
Modern measuring tools are more practical and resistant to human error, but precision isn’t necessarily a modern thing. The [theodolite](https://en.m.wikipedia.org/wiki/Theodolite) has been around since 1600 and along with other precise distance measuring tools it allowed for incredible precision in building.
Antique topography instruments were much more mechanical and human dependent, but topography isn’t a new science and the old instruments weren’t necessarily much less precise than modern instruments.
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