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Pixar's location in Emeryville, California, had a hidden room hidden by a sliding bookcase. [20] It was initially discovered by Pixar animator Andrew Gordon, who opened a hatch door in his office that revealed a hidden room that was designed to provide maintenance workers "access to a portion of the building's ventilation system". [20]
In 1930, they hired architect Frank Buchanan to design a secret door to hide the liquor supply in the cellar, as the place was converting to a speakeasy. To conceal the hidden door from federal prohibition agents, Buchanan designed the door so that it would appear to be solid concrete wall. The door, which weighed two and a half tons, was ...
A trapdoor or hatch is a sliding or hinged door that is flush with the surface of a floor, ceiling, or roof. [1] It is traditionally small in size. [2] It was invented to facilitate the hoisting of grain up through mills, however, its list of uses has grown over time. [3]
A hidden compartment or secret compartment is a compartment whose existence or access is not obvious at first glance, and can be used as a hiding place for objects or sometimes even for people. A hidden compartment where people can stay is usually referred to as a hidden room or secret room , and can range from parts of small wardrobes or ...
Entrance to HM Prison Edinburgh. 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.
A metal doorframe with a strike plate built in: in other doors this would be a metal strikeplate in a wooden doorframe. The term door security or door security gate may refer to any of a range of measures used to strengthen doors against door breaching, ram-raiding and lock picking, and prevent crimes such as burglary and home invasions.
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