Perpetual motion machine, 19th century

Perpetual motion machine, 19th century

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Credit: SHEILA TERRY/SCIENCE PHOTO LIBRARY

Caption: Perpetual motion machine. Historical diagram of a perpetual motion machine. The machine consists of bellows (F), which are pumped by the rod P, which is moved by the crank N and wheel L. The wheel L is turned by the rod K, which is moved by the crank H. Crank H is attached to the axle B, which is in a tank of water and driven by 6 bladders (C). When at their lowest point the bladders are filled with air from the bellows. This makes them buoyant and so turns the axle B in a clockwise direction. When the bladder leaves the water the knob S opens the valve Q, which lets the air out of the bladder. Such a machine could not work as it would violate the law of the conservation of energy. Artwork from Mechanics Magazine (December 1823).

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Keywords: 1800s, 1823, 19th century, artwork, bellows, bladder, bladders, cistern, conservation of energy, crank, drawing, engineering, first law of thermodynamics, friction, historical, history, history of science, illustration, machine, perpetual motion, physical, physics, sepia, shaft, tank, technological, technology, valve, valves, wheel

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