https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13980352Edit ImageSaveSaveEditCropCustom TextSir Humphry Davy. Stipple engraving by Roffe after H. Howard.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 749 x 1200 px | 300 dpiLarge JPEG 1612 x 2581 px | 300 dpiFree DownloadSir Humphry Davy. Stipple engraving by Roffe after H. Howard.More