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  2. Bank vault - Wikipedia

    en.wikipedia.org/wiki/Bank_vault

    This large 24-bolt Diebold vault door at the Winona National Bank was built in the early 1900s. On the right is the back side of the open door. On the right is the back side of the open door. To the right of the door's center are two linked boxes for the combination mechanisms and to the left is a four-movement time lock .

  3. United States government safe and vault door specifications

    en.wikipedia.org/wiki/United_States_government...

    A United States Government Class 5-B vault door, which has been tested and approved by the Government under Fed. Spec. AA-D-600D, is ballistic resistant and affords the following security protection: 20 man-hours against surreptitious entry. 30 man-minutes against covert entry. 10 man-minutes against forced entry.

  4. Mosler Safe Company - Wikipedia

    en.wikipedia.org/wiki/Mosler_Safe_Company

    Mosler built the vault formerly used to display and store the Charters of Freedom: the US Constitution, Declaration of Independence, and the Bill of Rights. Mosler also built the gold vaults for the United States Bullion Depository at Fort Knox. [1] [9] Despite the weight, each 58-ton blade could be opened and closed manually by one person. [10 ...

  5. United States Bullion Depository - Wikipedia

    en.wikipedia.org/wiki/United_States_Bullion...

    The subterranean vault is made of steel plates, I-beams and cylinders encased in concrete. Its torch-and-drill resistant door is 21 inches (53 cm) thick and weighs 20 short tons (18 metric tons). The vault door is set on a 100-hour time lock, and can only be opened by members of the depository staff who must dial separate combinations. Visitors ...

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  7. Cary Safe Company - Wikipedia

    en.wikipedia.org/wiki/Cary_Safe_Company

    Cary Safe Company production building. The company's headquarters, which included production and office buildings, was located in a 1 1/2-acre, three-story building, at the corner of 250-266 Chicago Street and 217–249 Scott Street. [5]

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