https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13966421Edit ImageSaveSaveEditCropCustom TextTwo monks in a laboratory trying to find a remedy for one monk's toothache. Watercolour by J. Gregory, 1896.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 940 x 1200 px | 300 dpiLarge JPEG 2503 x 3195 px | 300 dpiFree DownloadTwo monks in a laboratory trying to find a remedy for one monk's toothache. Watercolour by J. Gregory, 1896.More