While the first computers were mechanical and famously ... In the 1930s, the Russian scientist Vladimir Lukyanov built an analog computer known as the "Water Integrator" or "Lukyanov's Integrator." ...

The technology behind this invention His was one of the first analog computers built in the Soviet Union. It worked by careful handling of water through a room full of interconnected pipes and pumps.

This analog computer can multiply ... To multiply a number you set the needles on the first two knobs to the numbers on which you are operating. To find the result turn the third knob until ...

A thermometer is a simple analog computer. As the temperature varies, the mercury moves correspondingly. A slide rule is another example. Although special-purpose, complex analog computers are ...