https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13978181Edit ImageSaveSaveEditCropCustom TextThomas Tesdall and Richard Wightwick. Engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 517 px | 300 dpiLarge JPEG 3500 x 1509 px | 300 dpiBest Quality JPEG 4589 x 1978 px | 300 dpiFree DownloadThomas Tesdall and Richard Wightwick. Engraving.More