Fig. 5From: Spectacular rediscovery of the original prints of radiographs Roentgen sent to Lorentz in 1896Stacks of tin foil with various thicknesses. This image shows that the thicker the stack, the less X-radiation passes through it. Manually written legend: ‘Stanniolschichten’ (Layers of tin foil). Paragraph referral: § 4Back to article page