https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13982291Edit ImageSaveSaveEditCropCustom TextManufacture of soap: (above) men are using long implements to work at the contents of a vat; (below) instruments. Engraving by Benard after Radel.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1045 px | 300 dpiLarge JPEG 2700 x 2351 px | 300 dpiFree DownloadManufacture of soap: (above) men are using long implements to work at the contents of a vat; (below) instruments. Engraving by Benard after Radel.More