https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14005661Edit ImageSaveSaveEditCropCustom TextA piece of metal whose heterogeneity is apparent when viewed through x-ray. Photoprint from radiograph by W.K. Röntgen, 1895.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 817 x 1200 px | 300 dpiLarge JPEG 2200 x 3233 px | 300 dpiFree DownloadA piece of metal whose heterogeneity is apparent when viewed through x-ray. Photoprint from radiograph by W.K. Röntgen, 1895.More