https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13991447Edit ImageSaveSaveEditCropCustom TextGottlob Schober. Line engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 754 x 1200 px | 300 dpiLarge JPEG 2199 x 3500 px | 300 dpiBest Quality JPEG 2207 x 3513 px | 300 dpiFree DownloadGottlob Schober. Line engraving.More