Fig. 4From: Spectacular rediscovery of the original prints of radiographs Roentgen sent to Lorentz in 1896The doorpost of Roentgen’s lab upon which he attached a thin sheet of Platinum. It shows that the X-ray attenuation of the thin plate of platinum is much larger than that of the thick wooden doorpost. Manually written legend: ‘Thürprofile mit aufgeheftetem Platinblech’ (Doorpost with attached thin plate of Platinum). Paragraph referral: § 14Back to article page