https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13990441Edit ImageSaveSaveEditCropCustom TextJames Graham and Gustavus Katterfelto in combat using electrotherapy machines as weapons. Etching, 1783.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 862 px | 300 dpiLarge JPEG 3500 x 2514 px | 300 dpiBest Quality JPEG 6171 x 4432 px | 300 dpiFree DownloadJames Graham and Gustavus Katterfelto in combat using electrotherapy machines as weapons. Etching, 1783.More