Origin of perpetual motion
Examples from the Web for perpetual motion
This is what a perpetual-motion machine would be if such a machine were possible.The Story of Great Inventions|Elmer Ellsworth Burns
His cottage was quite a curiosity-shop of models of engines, self-acting planes, and perpetual-motion machines.Lives of the Engineers|Samuel Smiles
A favorite idea with perpetual-motion seekers is the utilization of the force of magnetism.
Many inventors of perpetual-motion machines offer their poverty as an excuse for not making a model or working machine.
But we give the description in the language of the inventor, as a fair type of this class of perpetual-motion machines.