This is a preview. Log in through your library . Abstract Ray methods have been widely used to calculate high frequency scattering by objects in an unbounded medium, but they have not been used much ...
IN a letter on “The Intensity of X-ray Reflection from Powdered Crystals” (NATURE, July 8, p. 38), Prof. A. H. Compton and Mr. N. L. Freeman have described some measurements which they have made on ...