Archimedean screw, gravity principle. Illustration of an unsuccessful scheme for a perpetual-motion device.

Archimedean Screw

Archimedean screw, gravity principle. Illustration of an unsuccessful scheme for a perpetual-motion…

Buoyancy chambers, hydrostatic principle. Illustration of an unsuccessful scheme for a perpetual-motion device.

Buoyancy Chambers

Buoyancy chambers, hydrostatic principle. Illustration of an unsuccessful scheme for a perpetual-motion…

Liquids of varying densities. Illustration of an unsuccessful scheme for a perpetual-motion device.

Liquids of Varying Densities

Liquids of varying densities. Illustration of an unsuccessful scheme for a perpetual-motion device.

Magnetic attraction on inclined plane. Illustration of an unsuccessful scheme for a perpetual-motion device.

Magnetic Attraction

Magnetic attraction on inclined plane. Illustration of an unsuccessful scheme for a perpetual-motion…

Magnetic pendulum, rotating field principle. Illustration of an unsuccessful scheme for a perpetual-motion device.

Magnetic Pendulum

Magnetic pendulum, rotating field principle. Illustration of an unsuccessful scheme for a perpetual-motion…

Overbalancing wheel, gravity principle. Illustration of an unsuccessful scheme for a perpetual-motion device.

Overbalancing Wheel

Overbalancing wheel, gravity principle. Illustration of an unsuccessful scheme for a perpetual-motion…

Sponge plan, capillary principle. Illustration of an unsuccessful scheme for a perpetual-motion device.

Sponge Plan

Sponge plan, capillary principle. Illustration of an unsuccessful scheme for a perpetual-motion device.