Clockwork
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Clockwork is the inner workings of either clocks and watches or other mechanical devices that work similarly, using a series of gears driven by a spring or a weight.
Clockwork of mechanical Prim wrist watch
Clockwork of the Holy Cross Church in Dülmen, Germany
Keys of various sizes for winding up mainsprings on clocks
Mechanism of a Wall Clock, Ansonia Co. 1904
Mechanical computer
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A mechanical computer is a computer built from mechanical components such as levers and gears rather than electronic components. The most common examples are adding machines and mechanical counters, w
Hamman Manus R mechanical computer, produced in Germany by the DeTeWe company between 1953 and 1959
Curta Calculator
Harwell Dekatron