3 Of colours3 Of colours5 Of colours5 Of coloursOf coloursThe Newton Project Knowledge Graph2020-10-08Journal5 Of colours3 Of colours 5 If the particles in a body have not so greate an elastick power as to returne back the whole motion of a ray. then that body may be lighter or darker colored according as the elastick virtue of that bodys parts is more or lesse. 6 If there be loose particles in the pores of a body which by makeing them very narrow or by otherwise hindering the elastick power of the subtil matter whereby the motions of the rays are conserved that body may have some colour, &c Figure Continue reading…