2-848-840 - Heritage Art/Heritage Images

Table of the Permeability of Various Substances to Roentgen Rays, 1896. [Diagram illustrating the responsiveness of a variety of materials (metals, glass, bone, wood, rubber, and more) to the x-ray, showing a range of permeability that is represented as different shades of grey]. Photogravure, plate no. 5 from "Research on Photography with Röntgen Rays (Versuche über Photographie mittelst der Röntgen'schen Strahlen)".