https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13991099Edit ImageSaveSaveEditCropCustom TextAn electrical machine: a man is shown demonstrating a table-top electrical machine to a young woman. Etching, 1760/1790.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 742 x 1200 px | 300 dpiLarge JPEG 2100 x 3396 px | 300 dpiFree DownloadAn electrical machine: a man is shown demonstrating a table-top electrical machine to a young woman. Etching, 1760/1790.More