This fruitful thought he illustrates by showing how geometry is applied to the action of natural bodies, and demonstrating by geometrical figures certain laws of physical forces.
The first exact experiments demonstrating the changes which occur in the permeability of iron,, 3 Phil.
Knowing that alum cannot be obtained in crystals without the addition of potash, he began to suspect that this alkali constituted an essential ingredient in the salt, and in 1797 he published a dissertation demonstrating that alum is a double salt, composed of sulphuric acid, alumina and potash (Annales de chimie, xxii.
The helicopter ride was demonstrating the widespread erosion of the surrounding plains.
- Diagram of Apparatus for there must be a reversible Demonstrating the Thomson Effect.