https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13958214Edit ImageSaveSaveEditCropCustom TextMen and women working at a variety of trades. Coloured lithograph, 18--.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 824 px | 300 dpiLarge JPEG 3152 x 2165 px | 300 dpiFree DownloadMen and women working at a variety of trades. Coloured lithograph, 18--.More