https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13977453Edit ImageSaveSaveEditCropCustom TextElectricity: a large electro-static generator machine in use in the Colosseum, London, with many condenser jars and four operators. Wood engraving, 1839.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 801 x 1200 px | 300 dpiLarge JPEG 2160 x 3237 px | 300 dpiFree DownloadElectricity: a large electro-static generator machine in use in the Colosseum, London, with many condenser jars and four operators. Wood engraving, 1839.More