https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13961187Edit ImageSaveSaveEditCropCustom TextClocks: details of clock mechanisms. Engraving c.1861.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 775 x 1200 px | 300 dpiLarge JPEG 2126 x 3290 px | 300 dpiFree DownloadClocks: details of clock mechanisms. Engraving c.1861.More