pt. I. General physics and applications of x-radiation. Before and after the discovery by Röntgen -- X-ray tubes -- High-voltage equipment -- The measurement of intensity (dosage) -- The measurement of quality (wavelength): x-ray optics -- X-ray spectra and atomic structure -- Chemical analysis from x-ray spectra -- The absorption and scattering of x-rays -- Radiography (Roentgenography) -- Microradiography -- The chemical effects of x-rays -- The biological effects of x-radiation -- pt. II. The x-ray analysis of the ultimate structures of materials. Crystallography and x-ray diffraction -- The experimental x-ray methods of crystal analysis -- The interpretation of diffraction patterns in terms of ultimate structure -- The results of crystal analysis: elements and inorganic compounds -- Crystal chemistry -- The silicates -- alloys -- Organic compounds -- The structure of glasses, liquids, and other colloidal and amorphous materials -- The texture of metals -- Polymers--synthetic and natural materials with giant molecules