You can’t really tell in this picture, but the mechanism that raises and lowers the railroad bridge is cool. It looks like a giant bike chain with each link being about the size of a person.
That’s why we are falling behind China. We don’t build giant bike chains for raising bridges anymore.
You can’t really tell in this picture, but the mechanism that raises and lowers the railroad bridge is cool. It looks like a giant bike chain with each link being about the size of a person.
That’s why we are falling behind China. We don’t build giant bike chains for raising bridges anymore.