https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13999920Edit ImageSaveSaveEditCropCustom TextWilliam Frederick Haslau (or Frederick Belding Power). Photogravure, 1917.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 812 x 1200 px | 300 dpiLarge JPEG 2244 x 3318 px | 300 dpiFree DownloadWilliam Frederick Haslau (or Frederick Belding Power). Photogravure, 1917.More