https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13972796Edit ImageSaveSaveEditCropCustom TextA hand mill with four mortars operated by two assistants. Engraving, 16--, after J. Besson.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 772 px | 300 dpiLarge JPEG 3300 x 2123 px | 300 dpiFree DownloadA hand mill with four mortars operated by two assistants. Engraving, 16--, after J. Besson.More