https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13999779Edit ImageSaveSaveEditCropCustom TextJohn Howard visiting a prison: prisoners laying on the floor, some chained to the wall. Etching by E. Webb, 1847, after E. Armitage.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 961 px | 300 dpiLarge JPEG 2950 x 2363 px | 300 dpiFree DownloadJohn Howard visiting a prison: prisoners laying on the floor, some chained to the wall. Etching by E. Webb, 1847, after E. Armitage.More