How did they lift the huge stones to build the cathedral hundreds of years ago, before the invention of the crane?
Jeffrey Martin took this VR photo of a replica of a medieval crane, built without power tools (or even screws or nails!), which is now used to replace statues on a cathedral in Prague.
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I have built a small scale model of a Medieval crane and now in the process of building one on a smaller scale than the first complete with scale limestone block wall under construction
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WOW. Seconded.
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Very cool.
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