Instead of carrying things up inclines or stairs, a variety of methods have been invented to move people and things vertically – an interesting example is the páternoster. The páternoster is a continuously running elevator that was first developed in the late 19th century, and there are still a number of surviving examples like this one in Prague. Maybe not the safest elevators around, but they certainly look like fun. Check out this short video. – Daniel Findley, DTC Engineering Economics Instructor
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