Pond Dale et al. A Universal Laws Never Before Revealed Keely´s Secrets

SantaFe: The Message Company, 1990. — 289 p.Universal Laws Never Before Revealed... John Ernst Worrell Keely.John Ernst Worrell Keely - the discoverer of compund inter-etheric force.
The results of more than twenty years of persistent effort to apply this aetheric force to the operation of machinery has at last been enabled to produce continuity of mottion in his engine...