https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13983929Edit ImageSaveSaveEditCropCustom TextRobert Boyle. Coloured stipple engraving by J. Chapman, 1800 after G. Vertue.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 838 x 1200 px | 300 dpiLarge JPEG 1150 x 1646 px | 300 dpiFree DownloadRobert Boyle. Coloured stipple engraving by J. Chapman, 1800 after G. Vertue.More