Abstract: A device for the sensing and the measuring of the axial tension stresses occurring within the bolt of a threaded fastening system under installation comprising a metallic, electrically conductive flat washer-like first member, and a metallic, electrically insulated flat washer-like second member; wherein the electrically insulating material of an anodic-oxide coating, which is grown onto the second member's electrically conductive aluminum base material, is used as an intervening solid supporting substance for the purpose of spacing the first and the second member's electrically conductive surfaces, through a predetermined distance from each other, to resist a current flow therethrough; wherein, due to the anodic-oxide coating's minute compressibility under varying light to severe compressive load conditions, a change in the oxide coating's electrical leak-resistance occurs, thus allowing a very minute, detectable current to flow between the first and the second member.

Abstract: The invention described herein is a new and novel prime mover device which operates as in integral component of a heat vapor cycle which, in combination, represents a heat engine system consisting of a closed, vertically oriented fluid recirculation system, utilizing a non-compressible fluid as a working medium.Wherein the device's fluid downward flowing section comprises a fluid penstock and a hydraulic turbine, whose function is the conversion of the downward flowing fluid's potential energy into kinetical energy and then into mechanical energy by driving the turbine which, in turn, drives the electrical generator.