Smart Inventions - 1. The earliest known lock and key device was discovered in the ruins of Nineveh, the capital of ancient Assyria. 2. Locks such as this were later developed into
![Door Chubb Detector Lock And Keys Stock Photo - Download Image Now - Bolt - Fastener, Building Entrance, Business Finance and Industry - iStock Door Chubb Detector Lock And Keys Stock Photo - Download Image Now - Bolt - Fastener, Building Entrance, Business Finance and Industry - iStock](https://media.istockphoto.com/id/693652684/photo/door-chubb-detector-lock-and-keys.jpg?s=612x612&w=0&k=20&c=-KQ1_trntAcyJHJQ2jZyzSYiS1ArMaYt974ub4vL2eA=)
Door Chubb Detector Lock And Keys Stock Photo - Download Image Now - Bolt - Fastener, Building Entrance, Business Finance and Industry - iStock
![Diagram of Chubb Detector Lock. 'K' and 'F' comprise the detector mechanism. K is the catch on the back lever and F is the end of the horizontal detector spring. circa Diagram of Chubb Detector Lock. 'K' and 'F' comprise the detector mechanism. K is the catch on the back lever and F is the end of the horizontal detector spring. circa](https://c8.alamy.com/comp/MYBXW8/diagram-of-chubb-detector-lock-k-and-f-comprise-the-detector-mechanism-k-is-the-catch-on-the-back-lever-and-f-is-the-end-of-the-horizontal-detector-spring-circa-1850-unknown-112-chubb-lock-MYBXW8.jpg)
Diagram of Chubb Detector Lock. 'K' and 'F' comprise the detector mechanism. K is the catch on the back lever and F is the end of the horizontal detector spring. circa
![Chubb Detector Lock Mortise Lock Door Cylinder Lock PNG, Clipart, Angle, Brass, Builders Hardware, Cabinetry, Chubb Chubb Detector Lock Mortise Lock Door Cylinder Lock PNG, Clipart, Angle, Brass, Builders Hardware, Cabinetry, Chubb](https://cdn.imgbin.com/14/11/20/imgbin-chubb-detector-lock-mortise-lock-door-cylinder-lock-locks-vH8THmeTJC7hH1dQQu47XiS5k.jpg)