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The Kid Should See This

How Do Locks Work?

Watch more with these video collections:

How Locks Work by Carlo Clerici. This features pin tumbler lock, invented by Linus Yale, Sr. in 1848.

Here’s another example in gif format:

how a key works inside a lock

For more locks, travel back to the 1700sThe Roentgens’ Berlin Secretary Cabinet.

Plus: Making a combination lock from a steel bolt.

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