https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13967895Edit ImageSaveSaveEditCropCustom TextBuilding: plan and elevations showing a way of supporting rotten joists. Etching by Mutlow.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 765 px | 300 dpiLarge JPEG 3352 x 2136 px | 300 dpiFree DownloadBuilding: plan and elevations showing a way of supporting rotten joists. Etching by Mutlow.More