https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13982322Edit ImageSaveSaveEditCropCustom TextA skeletal figure surveying three doctors around a cauldron, a parody of Macbeth and the three witches; promoting James Morison's alternative medicines. Lithograph.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 945 px | 300 dpiLarge JPEG 3016 x 2376 px | 300 dpiFree DownloadA skeletal figure surveying three doctors around a cauldron, a parody of Macbeth and the three witches; promoting James Morison's alternative medicines. Lithograph.More