

The original plan for the clock tower date as far back as 1959, when it appears on early drawings for the proposed addition. Dedicated on October 31, 1962, it rises 280 feet from the streets of Milwaukee, and requires 34.6 kilowatts of electricity for lighting and power." It has since been surpassed by the 141-foot clock faces of the Abraj Al Bait. Each face has a diameter of 40 feet, 3-1/2 inches.

According to the Guinness Book of World Records: "The largest four-faced clock is that on the research and office addition of the Allen-Bradley Company. The Allen-Bradley Clock Tower, owned by Allen-Bradley, a product brand of Rockwell Automation, has long been a landmark in Milwaukee.

The building is known for once having the largest four-faced clock in the world. The Rockwell Automation Headquarters is an office building located in Milwaukee, Wisconsin. Office building located in Milwaukee, Wisconsin, USA Allen-Bradley Building
