https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13953684Edit ImageSaveSaveEditCropCustom TextEngineering: a large cogwheel, front and side elevations. Coloured drawing, 1875.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 791 px | 300 dpiLarge JPEG 3307 x 2180 px | 300 dpiFree DownloadEngineering: a large cogwheel, front and side elevations. Coloured drawing, 1875.More