https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14000635Edit ImageSaveSaveEditCropCustom TextClocks: sundials and other helio-observational equipment. Engraving by T. Jefferys.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 696 x 1200 px | 300 dpiLarge JPEG 2029 x 3500 px | 300 dpiBest Quality JPEG 2125 x 3666 px | 300 dpiFree DownloadClocks: sundials and other helio-observational equipment. Engraving by T. Jefferys.More