https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13957509Edit ImageSaveSaveEditCropCustom TextClocks: diagrams for setting-out a sundial. Engraving c.1861.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 804 x 1200 px | 300 dpiLarge JPEG 2303 x 3438 px | 300 dpiFree DownloadClocks: diagrams for setting-out a sundial. Engraving c.1861.More