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A video door-phone (also known as a video door entry or video intercom) is a stand-alone intercom system used to manage calls made at the entrance to a building ( residential complex, detached family home, workplace, etc.) with access controlled by audiovisual communication between the inside and outside. The main feature of video door entry is ...
Battelle Memorial Institute (or simply Battelle) is a private nonprofit applied science and technology development company headquartered in Columbus, Ohio. The institute opened in 1929 but traces its origins to the 1923 will of Ohio industrialist Gordon Battelle which provided for its creation and his mother Annie Maude Norton Battelle who left ...
The United States Military Entrance Processing Command ( USMEPCOM) is a Major Command of the U.S. Department of Defense. The organization screens and processes enlisted recruits into the United States Armed Forces in the 65 Military Entrance Processing Stations ( MEPS) it operates throughout the United States.
Mantrap (access control) A mantrap, security mantrap portal, airlock, sally port or access control vestibule is a physical security access control system comprising a small space with two sets of interlocking doors, such that the first set of doors must close before the second set opens. [1] [2] [3] Airlocks have a very similar design, allowing ...
Qube (stylized QUBE) was an experimental two-way, multi-programmed cable television system that played a significant role in the history of American interactive television. It was launched in Columbus, Ohio , on 1 December 1977. [1]
Green Lawn Cemetery is an active historic private rural cemetery located in Columbus, Ohio, in the United States. Organized in 1848 and opened in 1849, the cemetery was the city's premier burying ground in the 1800s and beyond. An American Civil War memorial was erected there in 1891, and chapel constructed in 1902.
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