https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14021687Edit ImageSaveSaveEditCropCustom TextClocks: the chiming mechanism (top), and the main mechanism (below) of a clock proposed for the Royal Exchange. Wood engraving.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 809 x 1200 px | 300 dpiLarge JPEG 2236 x 3316 px | 300 dpiFree DownloadClocks: the chiming mechanism (top), and the main mechanism (below) of a clock proposed for the Royal Exchange. Wood engraving.More