Empirical Formulas

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. IN the results of most experiments of a quantitative nature, two variables occur, such as the relation between the pressure and the volume of a certain quantity of gas, or the relation between the elongation of a wire and the force producing it. On plotting the sets of corresponding values it is found, if they really depend on each other, that the points so located lie approximately on a smooth curve.