https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13972227Edit ImageSaveSaveEditCropCustom TextA multiple-way joint of timber and iron for barrack building. Engraving by G. Aikman after W. Ferrier.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 890 x 1200 px | 300 dpiLarge JPEG 2361 x 3185 px | 300 dpiFree DownloadA multiple-way joint of timber and iron for barrack building. Engraving by G. Aikman after W. Ferrier.More