https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13997071Edit ImageSaveSaveEditCropCustom TextLight emitted by Röntgen Ray Tubes, reflected using a concave mirror: the word "concave mirror". Photoprint from radiograph, by James Wimshurst, 1898.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 783 x 1200 px | 300 dpiLarge JPEG 1548 x 2372 px | 300 dpiFree DownloadLight emitted by Röntgen Ray Tubes, reflected using a concave mirror: the word "concave mirror". Photoprint from radiograph, by James Wimshurst, 1898.More