key articles

Where is the most concrete early evidence of a recognizable lock-and-key mechanism found?

Where is the most concrete early evidence of a recognizable lock-and-key mechanism found?

What type of lock mechanism characterized the early Egyptian devices?

What type of lock mechanism characterized the early Egyptian devices?

What major material change did the Roman Empire contribute to lock technology?

What major material change did the Roman Empire contribute to lock technology?

What primary vulnerability limited the security value of early wooden Egyptian locks?

What primary vulnerability limited the security value of early wooden Egyptian locks?

What is Linus Yale Jr.'s primary recognized contribution to locking technology?

What is Linus Yale Jr.'s primary recognized contribution to locking technology?

Which two parts constitute a pin stack in a Yale pin-tumbler lock?

Which two parts constitute a pin stack in a Yale pin-tumbler lock?

What is the term for the boundary where key pins and driver pins must align for the plug to rotate?

What is the term for the boundary where key pins and driver pins must align for the plug to rotate?

What structural element did the pin-tumbler introduce to combat the primary vulnerability of the warded system?

What structural element did the pin-tumbler introduce to combat the primary vulnerability of the warded system?

Why did the simple warded lock persist globally through the medieval period?

Why did the simple warded lock persist globally through the medieval period?

How did the complexity focus shift when moving from warded locks to pin-tumbler locks concerning the key?

How did the complexity focus shift when moving from warded locks to pin-tumbler locks concerning the key?

Where was the earliest tangible evidence of locking devices unearthed?

Where was the earliest tangible evidence of locking devices unearthed?

What material was the foundational locking device from Nineveh primarily constructed from?

What material was the foundational locking device from Nineveh primarily constructed from?

What operational principle defined the initial locking system, such as the Egyptian or Nineveh lock?

What operational principle defined the initial locking system, such as the Egyptian or Nineveh lock?

What significant complexity did the Romans add to the pin-tumbler concept to create the warded lock?

What significant complexity did the Romans add to the pin-tumbler concept to create the warded lock?

Why did the Romans favor bronze over iron for their keys?

Why did the Romans favor bronze over iron for their keys?

How did affluent Romans use their lock keys to signal wealth?

How did affluent Romans use their lock keys to signal wealth?

What was the primary focus of lock making during the Medieval Age?

What was the primary focus of lock making during the Medieval Age?

What nickname was given to highly ornamented Gothic locks due to a feature related to their aesthetics?

What nickname was given to highly ornamented Gothic locks due to a feature related to their aesthetics?

Which 18th-century invention by Robert Barron utilized levers that needed to be lifted to a precise height to open?

Which 18th-century invention by Robert Barron utilized levers that needed to be lifted to a precise height to open?

What did Joseph Bramah partner with Henry Maudslay to develop?

What did Joseph Bramah partner with Henry Maudslay to develop?

What crucial security feature was incorporated into Jeremiah Chubb's lock patented in 1818?

What crucial security feature was incorporated into Jeremiah Chubb's lock patented in 1818?

Whose patent refined the ancient pin tumbler idea into the global standard using key pins and driver pins?

Whose patent refined the ancient pin tumbler idea into the global standard using key pins and driver pins?