https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13959256Edit ImageSaveSaveEditCropCustom TextDoctor Zirkel follows Newton's famous steps under the fabled apple tree. Coloured wood engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 881 x 1200 px | 300 dpiLarge JPEG 2525 x 3439 px | 300 dpiFree DownloadDoctor Zirkel follows Newton's famous steps under the fabled apple tree. Coloured wood engraving.More