Thousands of people annually visit the white marble shaft that is Washington's Monument, which we picture this month as a frontispiece. Very few of these laboriously climb the 898 stone steps to the top. The others travel safely and swiftly to the observation floor by elevator equipped with Roebling Special Seale Traction Wire Rope, five lengths of 1085 feet each.

This magnificent monument erected at Washington, DC measures 555 ½ feet high and 55 feet, 1 ½ inches at the base, tapering upward to 34 feet, 5 ½ inches square. It is built of blocks of marble two feet thick, and has a stairway in addition to the elevator in the interior. The corner stone was laid in 1848 and the work finished in 1884.

The elevator is an Otis Auxiliary Micro-Self-Leveling Double Wrap Traction Machine with a speed of 450 feet per minute. The elevator travels 500 feet, and makes a round trip every 15 minutes.

In the matter of elevator safety so much depends upon wire rope that the fact that a large majority of elevators in buildings of every description are Roebling equipped has real significance. It suggests the confidence placed in Roebling Wire Rope by elevator manufacturers and building owners.