https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14017031Edit ImageSaveSaveEditCropCustom TextPhiladelphia International Exposition, 1876: U.S. military hospital barrack ward: a model with the roof raised. Photograph, 1876.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1025 px | 300 dpiLarge JPEG 2989 x 2553 px | 300 dpiFree DownloadPhiladelphia International Exposition, 1876: U.S. military hospital barrack ward: a model with the roof raised. Photograph, 1876.More