19thc Antique Victorian Brass Sargent & Greenleaf Vault Door Bank Safe Time Lock
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19thc Antique Victorian Brass Sargent & Greenleaf Vault Door Bank Safe Time Lock:
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Sargent & GreenleafBank Vault Time Lock
This is an Impressive & Seldom Seen Time Lock for a Bank Vault Door made by Sargent & Green Leaf out of Rochester NY in the late 19thC with a Patent date of 1877. This Unique Piece is housed in an Impressive Brass Case and hasa Single Disc inside.The Sargent & GreenLeaf Company was One of the 1st to Use this New technology. There is no Key to Open the Glass & Brass Door & other than a few scuffs to the finish this Unique & Seldom Seen Piece looks Fantastic.
Patent Dates from July 20th 1875 ~ Nov 13th, 1877
What the Heck is it and What Does it Do?
The purpose of a bank vault time lock is to keep the vault door locked until the timer runs down. When the timer runs down a bolt is released and the door may be opened, or more often, the right combinationhad to be dialed and then the door opened. While the time lock is running, even the right combination would not be enough to open the door. This was very important, since before the introduction of the timer in 1874, there was the nasty problem of bank robbers kidnapping the bank president or cashier; marching him down to the bank at night and forcing him to open the door. (There were no central alarm systems back then).
The very early time locks had a combination bypass which could override the time lock. This "secret" combination was known only to the time lock company and was not to be disclosed to bank personnel. This seems a bit odd today, after all there's a risk of someone from the time lock company robbing the vault, but there was some fear that if the time lock failed, the vault door would have to be forced off (which is true). Most time locks had two or more movements to provide redundancy in the event of one timer failing, any one timer winding down to completion would allow the door to be properly opened. Soon after the introduction of the first time lock to be installed on a vault door in 1874, they proved to be quite reliable (not to mention the peace of mind to bank personnel once the bad guys learned that they could not open the door) and were widely accepted to this day.
Information Courtesy of My Time Machines
~Estate Fresh &Guaranteed to Impress~
4 1/2" Tall
4 3/8" Across
2 1/4" Deep
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