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
Analog computer
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An analog computer or analogue computer is a type of computation machine that uses physical phenomena such as electrical, mechanical, or hydraulic quantities behaving according to the mathematical pri
Mechanical computer
…even differential analysis. One model, the Ascota 170 accounting machine sold in the 1960s, calculated square roots. Mechanical computers can be either analog, using continuous or smooth mechanisms such as curved plates or slide rules for computations; or discrete, which use mechanisms like pinwheels and…
A page from the Bombardier's Information File (BIF) that describes the components and controls of the Norden bombsight, a highly sophisticated optical/mechanical analog computer used by the United States Army Air Force during World War II, the Korean War, and the Vietnam War to aid the pilot of a bomber aircraft in dropping bombs accurately
TR-10 desktop analog computer of the late 1960s and early 1970s
Analog computing machine at the Lewis Flight Propulsion Laboratory c. 1949
Heathkit EC-1 educational analog computer