https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13994707Edit ImageSaveSaveEditCropCustom TextTop, two forearms showing nerves; bottom, copaiba plant. Coloured engraving, 1834-1837.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 742 x 1200 px | 300 dpiLarge JPEG 1200 x 1942 px | 300 dpiFree DownloadTop, two forearms showing nerves; bottom, copaiba plant. Coloured engraving, 1834-1837.More