From 600BC, the evolution of the lock and key through millennia

The humble mechanical lock and key has been with us since 600BC, with their first incarnation found in the ruins of Nineveh, the capital of ancient Assyria. The evolution has been slow and steady since then and the innovations have been documented in the graphic below, which charts the lock and key s millenia long history. Thanks to, which retails home improvement products, for letting us publish this fascinating infographic.

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