https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13969159Edit ImageSaveSaveEditCropCustom TextThe Centennial Exposition Building, Philadelphia, Pennsylvania. Photograph, ca. 1880.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 906 px | 300 dpiLarge JPEG 3047 x 2301 px | 300 dpiFree DownloadThe Centennial Exposition Building, Philadelphia, Pennsylvania. Photograph, ca. 1880.More