THINKING AND DESTINY

Harold W. Percival

SYMBOLS, ILLUSTRATIONS and CHARTS

PRE-CHEMISTRY

Fig. II-F

a) Pyro or pyrogen point b) Pyrogen point Aero or aerogen point c) Pyrogen point Aerogen point Fluo or fluogen point d) Pyrogen point Aerogen point Fluogen point Pyro or pyrogen point

The combining points of a nature unit of the four elements, as states of matter in the human physical world.