Unlike Reno’s design, which was also at the Exposition, Seeberger’s escalator had flat, moving stairs and a smooth step surface without the comb effect seen in modern escalators. Attendees of ...

A stair swivels on each pin ... and for making small mechanisms that work reliably without stuttering. He’s not the first to build an escalator. Back in 2015 we covered this wooden escalator ...

Well, Duke University has put a number on the flights of stairs we should aim to climb a week for “a significantly lower risk ...