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Rockwell Automation Headquarters and Allen-Bradley Clock Tower facts for kids

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Allen-Bradley Building
Allen-Bradley.jpg
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General information
Architectural style International Style
Town or city Milwaukee, Wisconsin
Country United States of America
Completed 1962
Client Allen-Bradley
Design and construction
Architect Fitzhugh Scott

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

Clock Tower

History

The Allen-Bradley Clock Tower, owned by Allen-Bradley, a product brand of Rockwell Automation, has long been a landmark in Milwaukee. 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. Each face has a diameter of 40 feet, 3-1/2 inches. 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.

The original plan for the clock tower date as far back as 1959, when it appears on early drawings for the proposed addition. Created by architect Fitzhugh Scott, the plans included several towers in its design, only one of which would house a clock. This was scaled back, however a smaller tower on an existing building was kept and modified to display the outdoor temperature using a large digital display. The interest in creating the tower was Harry Bradley, younger of the firm's two founding brothers. An inventor, Bradley including in his tinkering several of the clocks which he owned.

The clock has been called "The Polish Moon," referring to the historically Polish neighborhood in which it is based (see St. Stanislaus Catholic Church history). In recent years it has also been called the "Mexican Moon," reflecting the change in the area's ethnic composition (though both ethnicities have presences). Its lighted faces have been used as a navigation aid for Lake Michigan mariners over the years, except during the 1973 oil crisis when the clock was unlit from November 1973 to June 1974.

Clock size

The current clock tower stands at 280 ft (85 m). Because the octagonal faces are nearly twice the size of the faces of London's Big Ben, chimes were never added in an attempt to allow Big Ben to remain the largest four-faced chiming clock in the world. In fact, that title has belonged to the Minneapolis City Hall clock since 1909. Each hour hand of the Allen-Bradley Clock Tower is 15.8 feet (4.8 m) long and weighs 490 pounds (220 kg). Each minute hand is 20 feet (6.1 m) long and weighs 550 pounds (240 kg). The hour markings are 4 feet (1.2 m) high.

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