https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13962372Edit ImageSaveSaveEditCropCustom TextPhiladelphia International Exposition, 1876: the hospital steamboat J.K. Barnes: a model. Photograph, 1876.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1028 px | 300 dpiLarge JPEG 2984 x 2556 px | 300 dpiFree DownloadPhiladelphia International Exposition, 1876: the hospital steamboat J.K. Barnes: a model. Photograph, 1876.More