Cooper Wheelock is a Long Branch, New Jersey, company founded in 1922 specializing in fire alarm and general signaling products. The company is known as an industry leader in fire and industrial signals. Cooper Wheelock products are often used by other companies to complement their products. In March, 2006, Wheelock, Inc was acquired by Cooper Menvier of the United Kingdom, a division of Cooper Industries. The 3x/700x series of electromechanical and vibratory horns and horn/strobes is an earlier Wheelock creation. In the early 1970s, Wheelock introduced the 31 and 34 series horns, a vibratory... and electromechanical horn, respectively. Around 1978, Wheelock created the 7001 , 7002 , and 7004 horn/strobes. These were the first audiovisual alarms to use xenon strobes instead of incandescent lights. The horn and strobe on the 7001 and 7002 models are wired together, resulting in a distinctive "skipping" sound. In the mid-1980s, Wheelock redesigned the horn's grilles, making them vandal resistant. These models contain the letter "T" in their model numbers .
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