https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13992581Edit ImageSaveSaveEditCropCustom TextSir Isaac Newton: optical experiments. Stipple engraving by R.M. Meadows, 1809, after G. Romney, 1796.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 925 px | 300 dpiLarge JPEG 3071 x 2368 px | 300 dpiFree DownloadSir Isaac Newton: optical experiments. Stipple engraving by R.M. Meadows, 1809, after G. Romney, 1796.More