This infographic informs about the evolution of keys and locks. The first lock of note was the Assyrian lock in 600 BC and it actually used the still very common technique of sliding tumblers into place. From there, we had the revolutionary Bramah Lock which was considered the first commercially produced product to provide good security from manipulation. In more modern times, the technology has improved further with keycards and keypads becoming more popular. For more information please go through the infographic.

As you read this sentence, you almost certainly have a small, grooved slab of metal somewhere on your person. You used it to lock your front door this morning; you will see it to get back into your place tonight. Let’s look at the development of keys from the beginning of time to the present day!



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