https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13978373Edit ImageSaveSaveEditCropCustom TextFair Mount Water Works, Philadelphia: with Upper Ferry Bridge. Coloured engraving by Ferrer Sears & Co., 1830, C. Burton.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 952 px | 300 dpiLarge JPEG 3292 x 2612 px | 300 dpiFree DownloadFair Mount Water Works, Philadelphia: with Upper Ferry Bridge. Coloured engraving by Ferrer Sears & Co., 1830, C. Burton.More