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WorldCat.org

Dennis Lee is the leading champion of low temperature phase change technology. He has developed inventions that produce power from the heat in the air by utilizing temperature differences between a refrigerant and the air around it. In this video, Mr. Lee demonstrates numerous prototype machines which work on energies derived from his "heat pump." Topics discussed include the Coefficient of Performance, the evolution of the LTPC (low temperature phase change), Free Energy Concept, the Fischer Heat Engine, the Hydraulic Wheel, the Fisher/Brauer Engines, advanced propulsion systems, etc

Dennis Lee