https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14021941Edit ImageSaveSaveEditCropCustom TextJoseph Priestley. Stipple engraving by J. Hopwood, 1804.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 767 x 1200 px | 300 dpiLarge JPEG 1181 x 1847 px | 300 dpiFree DownloadJoseph Priestley. Stipple engraving by J. Hopwood, 1804.More