History and Root of the Principle of the Conservation of Energy

acceleration ball body Carnot centre of gravity chemical elements chiodo conception connexion conservation of energy continual variation d'Alembert's principle dependence of phenomena descent determined difficulty direction distance edition electricity equal masses equations equilibrium Erkenntnis und Irrtum example excluded perpetual motion experience expressed fact filo forces function Galileo given Hertz ibid imagine inclined plane investigator of nature l'arco Lagrange law of causality law of inertia law of sufficient Leipzig Ludwig Boltzmann Mach Mach's Math matter means mécanique mechanical view Mechanik medesimo molecules Neumann Ostwald's Klassiker Petzoldt phenom phenomenon physicist physics positions principle of excluded principle of virtual quantity of heat remains constant resultant rotation scesa scientific sensations spatial Stallo Stevinus theorem of excluded theory of heat things thinkable tion torsion balance translation Ueber uniqueness vis viva viva W. K. Clifford Wärmelehre weights wiss