Come and learn how a traction elevator works! We'll also explore the history and different types of elevators. Elevators have been around for almost 2000 years. In the 1850s, Elisha Otis invented a ...

CARLSBAD, N.M. (AP) — Officials at Carlsbad Caverns National Park say the park’s primary elevators now have new motors. The primary elevator system was installed in 1955 and went out of service in ...