This Hydraulic Bridge Opens and Closes Like a 30-Ton Steel Fan

By Kelsey Campbell-Dollaghan

This Hydraulic Bridge Opens and Closes Like a 30-Ton Steel Fan

More than 200 years ago, this canal in London was a critical vein in the city’s industrial infrastructure, carting goods between Birmingham and London. The bridge that spans it today would have seemed utterly bizarre—but a lot has changed since 1801.

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Source:: http://feeds.gawker.com/~r/gizmodo/full/~3/9RNMCY2Vn0o/this-hydraulic-bridge-opens-and-closes-like-a-30-ton-st-1641821283

      

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